Goel A, Ramakrishna B, Zachariah U, Sajith KG, Burad DK, Kodiatte TA, Keshava SN, Balasubramanian KA, Elias E, Eapen CE. What makes non-cirrhotic portal hypertension a common disease in India? Analysis for environmental factors. Indian J Med Res. 2019 Apr;149(4):468-478. doi: 10.4103/ijmr.IJMR_1405_17. PMID: 31411170; PMCID: PMC6676844.

Ahmed M, Keshava SN, Moses V, Chiramel GK, Mammen S, Eapen CE, Zachariah UG. Transjugular Intrahepatic Portosystemic Shunt Through the Strut of a Previously Placed Stent: Technical Feasibility and Long-Term Follow-Up Results. Cardiovasc Intervent Radiol. 2018 Nov;41(11):1794-1798. doi: 10.1007/s00270-018-2033-x. Epub 2018 Jul 16. PMID: 30014251.

Mittal R, Stephen E, Keshava SN, Moses V, Agarwal S. Percutaneous cyanoacrylate glue embolization for peripheral pseudoaneurysms: an alternative treatment. Indian J Surg. 2012 Dec;74(6):483-5. doi: 10.1007/s12262-012-0456-1. Epub 2012 Mar 24. PMID: 24293904; PMCID: PMC3537984.

Ramya I, Mathews KP, Pichamuthu K, Keshava SN, Balamugesh T, Ramamani M, Surekha V, Mammen T. Endotracheal tuberculous stenosis: ventilation rescue and bronchography guided stenting. Indian J Chest Dis Allied Sci. 2010 Jan-Mar;52(1):55-8. PMID: 20364617.

Rajadoss MP, Berry CJ, Rebekah GJ, Moses V, Keshava SN, Jacob KS, Kumar S, Kekre N, Devasia A. Predictors of renal recovery in renal failure secondary to bilateral obstructive urolithiasis. Arab J Urol. 2016 Sep 23;14(4):269-274. doi: 10.1016/j.aju.2016.08.001. PMID: 27900216; PMCID: PMC5122748.

Khera PS, Keshava SN, Chiramel GK, Selvaraj D, Stephen E. An unusual cause of massive hemoptysis and its endovascular management. J Bronchology Interv Pulmonol. 2013 Jan;20(1):90-2. doi: 10.1097/LBR.0b013e318281466e. PMID: 23328153.

Goel A, Ramakrishna B, Zachariah U, Sajith KG, Burad DK, Kodiatte TA, Keshava SN, Balasubramanian KA, Elias E, Eapen CE. What makes non-cirrhotic portal hypertension a common disease in India? Analysis for environmental factors. Indian J Med Res. 2019 Apr;149(4):468-478. doi: 10.4103/ijmr.IJMR_1405_17. PMID: 31411170; PMCID: PMC6676844.

Ahmed M, Keshava SN, Moses V, Chiramel GK, Mammen S, Eapen CE, Zachariah UG. Transjugular Intrahepatic Portosystemic Shunt Through the Strut of a Previously Placed Stent: Technical Feasibility and Long-Term Follow-Up Results. Cardiovasc Intervent Radiol. 2018 Nov;41(11):1794-1798. doi: 10.1007/s00270-018-2033-x. Epub 2018 Jul 16. PMID: 30014251.

Mittal R, Stephen E, Keshava SN, Moses V, Agarwal S. Percutaneous cyanoacrylate glue embolization for peripheral pseudoaneurysms: an alternative treatment. Indian J Surg. 2012 Dec;74(6):483-5. doi: 10.1007/s12262-012-0456-1. Epub 2012 Mar 24. PMID: 24293904; PMCID: PMC3537984.

Ramya I, Mathews KP, Pichamuthu K, Keshava SN, Balamugesh T, Ramamani M, Surekha V, Mammen T. Endotracheal tuberculous stenosis: ventilation rescue and bronchography guided stenting. Indian J Chest Dis Allied Sci. 2010 Jan-Mar;52(1):55-8. PMID: 20364617.

Rajadoss MP, Berry CJ, Rebekah GJ, Moses V, Keshava SN, Jacob KS, Kumar S, Kekre N, Devasia A. Predictors of renal recovery in renal failure secondary to bilateral obstructive urolithiasis. Arab J Urol. 2016 Sep 23;14(4):269-274. doi: 10.1016/j.aju.2016.08.001. PMID: 27900216; PMCID: PMC5122748.

Khera PS, Keshava SN, Chiramel GK, Selvaraj D, Stephen E. An unusual cause of massive hemoptysis and its endovascular management. J Bronchology Interv Pulmonol. 2013 Jan;20(1):90-2. doi: 10.1097/LBR.0b013e318281466e. PMID: 23328153.

Mathew LG, Cherian T, Sudarshanam A, Korah I, Kumar NK, Raghupathy P. Hemophagocytic lymphohistiocytosis: a case series. Indian Pediatr. 2000 May;37(5):526-31. PMID: 10820546.

Cherian T, Varkki S, Shyamkumar NK, Bhattacharji S, Job A, Korah I, Steinhoff MC. Persistent rhinorrhea in rural Indian children. Pediatr Infect Dis J. 2000 Dec;19(12):1210-1. doi: 10.1097/00006454-200012000-00020. PMID: 11144387.

Mathew J, Sen S, Chandi SM, Kumar NK, Zachariah N, Chacko J, Thomas G. Pulmonary lipoblastoma: a case report. Pediatr Surg Int. 2001 Sep;17(7):543-4. doi: 10.1007/s003830000537. PMID: 11666056.

Livingstone R, Kumar N, Raj D. Radiation dose to voluntary kidney donors during renal angiography procedures. J Radiol Prot. 2001 Dec;21(4):371-6. doi: 10.1088/0952-4746/21/4/305. PMID: 11787892.

Thomas N, Macaden AS, Kumar NK, Sridhar S, Jana AK. Neonatal spinal cord injury. Indian J Pediatr. 2002 Nov;69(11):983-4. doi: 10.1007/BF02726019. PMID: 12503665.

Shyamkumar NK, Sadhu RD, Nayak S, Kamath S. Soft-tissue case 51. Gossypiboma. Can J Surg. 2003 Jun;46(3):207, 228. PMID: 12812246; PMCID: PMC3211743.

Abraham RG, Kumar NK, Chacko AG. A minimally invasive approach to deep-seated brain lesions using balloon dilatation and ultrasound guidance. Minim Invasive Neurosurg. 2003 Jun;46(3):138-41. doi: 10.1055/s-2003-40740. PMID: 12872189.

Jebaraj I, Rao A, NK S, Vidyasagar. Imaging of tender neuropathy in leprosy. Indian J Lepr. 2005 Jan-Mar;77(1):51-4. PMID: 16173420.

Poonnoose PM, Manigandan C, Thomas R, Shyamkumar NK, Kavitha ML, Bhattacharji S, Srivastava A. Functional Independence Score in Haemophilia: a new performance-based instrument to measure disability. Haemophilia. 2005 Nov;11(6):598-602. doi: 10.1111/j.1365-2516.2005.01142.x. PMID: 16236109.

Finny P, Rao N, Shyamkumar NK, Thomas N. A vascular cause for hypopituitarism. J Postgrad Med. 2005 Oct-Dec;51(4):334-5. PMID: 16388184.

Lee AD, Kota GK, Shyamkumar N, Abraham DT, Agarwal S. Endovascular management of an unusual cause of pancoast syndrome. Eur J Vasc Endovasc Surg. 2005 Dec;30(6):621-3. doi: 10.1016/j.ejvs.2005.06.020. Epub 2005 Aug 10. PMID: 16098771.

Keshava SN, Kota GK, Mammen T, Jeyamani R, Moses V, Govil S, Kurian G, Chandy G. Direct intrahepatic cavo-portal shunts in Budd-Chiari syndrome: Role of simultaneous fluoroscopy and trans-abdominal ultrasonography. Indian J Gastroenterol. 2006 Sep-Oct;25(5):248-50. PMID: 17090843.

Shyam Kumar NK, Surendrababu NR, Rajshekhar V. Co-occurrence of agenesis of internal carotid artery with contralateral arterio venous malformation. Neurol India. 2007 Jan-Mar;55(1):85-6. doi: 10.4103/0028-3886.30442. PMID: 17272914.

Cherian RS, Keshava SN, George O, Joseph E. Cervical aortic arch in a patient with Turner syndrome. Diagn Interv Radiol. 2010 Jun;16(2):132-3. doi: 10.4261/1305-3825.DIR.1860-08.1. Epub 2009 Oct 19. PMID: 19838992.

Lamba S,ShyamKumar NK, Moses V,Surendrababu N,Gupta AK. Ethanol sclerotherapy for treatment of venous malformations of face and neck— a single centre experience European Journal of Plastic Surgery 2012,35(5):345–350. doi:10.1007/s00238-011-0626-6.

Danda D, Shyam Kumar NK, Cherian R, Cherian AM. Enthesopathy: clinical recognition and significance. Natl Med J India. 2001 Mar-Apr;14(2):90-2. PMID: 11396326.

Jeyamani R, Shyamkumar NK, Narayanan K, Subhash HS, George B, Kurian G. Giant splenic artery mycotic aneurysm presenting with massive hematemesis. Indian J Gastroenterol. 2003 Jul-Aug;22(4):147-8. PMID: 12962441.

Lim CL, Keshava SN, Lea M. Anatomical variations of the internal jugular veins and their relationship to the carotid arteries: a CT evaluation. Australas Radiol. 2006 Aug;50(4):314-8. doi: 10.1111/j.1440-1673.2006.01589.x. PMID: 16884415.

Shyamkumar NK, Brown R. Double superior vena cava with a persistent left superior vena cava: an incidental finding during peripherally inserted central catheter placement. Australas Radiol. 2007 Dec;51 Suppl:B257-9. doi: 10.1111/j.1440-1673.2007.01796.x. PMID: 17991079.

Fischer K, Van den Berg HM, Thomas R, Kumar S, Poonnoose P, Viswabandya A, Mathews V, Kavitha ML, Bhattacharji S, Srivastava A. Dose and outcome of care in haemophilia--how do we define cost-effectiveness? Haemophilia. 2004 Oct;10 Suppl 4:216-20. doi: 10.1111/j.1365-2516.2004.01047.x. PMID: 15479401.

Mammen T, Keshava SN, Eapen CE, Raghuram L, Moses V, Gopi K, Babu NS, Ramachandran J, Kurien G. Transjugular liver biopsy: a retrospective analysis of 601 cases. J Vasc Interv Radiol. 2008 Mar;19(3):351-8. doi: 10.1016/j.jvir.2007.09.002. PMID: 18295693.

Krishnamoorthy S, Gopalakrishnan G, Kekre NS, Chacko N, Keshava S, John G. Detection and treatment of transplant renal artery stenosis. Indian J Urol. 2009 Jan;25(1):56-61. doi: 10.4103/0970-1591.45538. PMID: 19468430; PMCID: PMC2684311.

Joseph R, Keshava SN, Narayanam RS, John GT. Placement of a catheter through the struts of a previously placed stent for maintenance hemodialysis: a case report. Semin Dial. 2008 Nov-Dec;21(6):575-7. doi: 10.1111/j.1525-139X.2008.00490.x. Epub 2008 Sep 5. PMID: 19000128.

Ahmed M, Keshava SN, Mammen S, Chacko AG, Prabhu K. An unusual case of reversible cerebral vasoconstriction syndrome presenting with a large intraparenchymal haematoma. Neurol India. 2013 Sep-Oct;61(5):535-7. doi: 10.4103/0028-3886.121942. PMID: 24262465.

Surendrababu NR, Thomas E, Rajinikanth J, Keshava SN. Breast filariasis: real-time sonographic imaging of the filarial dance. J Clin Ultrasound. 2008 Nov-Dec;36(9):567-9. doi: 10.1002/jcu.20418. PMID: 18780376.

Keshava S, Gibikote S, Mohanta A, Doria AS. Refinement of a sonographic protocol for assessment of haemophilic arthropathy. Haemophilia. 2009 Sep;15(5):1168-71. doi: 10.1111/j.1365-2516.2009.02016.x. Epub 2009 Jun 1. PMID: 19493019.

Irodi A, Cherian R, Keshava SN, James P. Dual arterial supply to normal lung: within the sequestration spectrum. Br J Radiol. 2010 May;83(989):e86-9. doi: 10.1259/bjr/30458107. PMID: 20418461; PMCID: PMC3473568.

Keshava SN, Moses V, Surendrababu NR. Cannula-assisted and transabdominal ultrasound-guided hepatic venous recanalization in Budd Chiari syndrome: a novel technique to avoid percutaneous transabdominal access. Cardiovasc Intervent Radiol. 2009 Nov;32(6):1257-9. doi: 10.1007/s00270-009-9615-6. Epub 2009 Jun 6. PMID: 19504151.

Vikrama KS, Shyamkumar NK, Vinu M, Joseph P, Vyas F, Venkatramani S. Percutaneous catheter drainage in the treatment of abdominal compartment syndrome. Can J Surg. 2009 Feb;52(1):E19-20. PMID: 19234639; PMCID: PMC2637637.

Amitha Vikrama KS, Keshava SN, Surendrababu NR, Moses V, Joseph P, Vyas F, Sitaram V. Jejunal access loop cholangiogram and intervention using image guided access. J Med Imaging Radiat Oncol. 2010 Feb;54(1):5-8. doi: 10.1111/j.1754-9485.2010.02130.x. PMID: 20377708.

Agarwal S, Stephen E, Selvaraj D, Mathur K, Keshava S, Chandy ST. Visceral ischemia: could it be segmental arterial mediolysis. Indian J Gastroenterol. 2009 Mar-Apr;28(2):72-3. doi: 10.1007/s12664-009-0023-2. Epub 2009 Aug 21. PMID: 19696994.

Singh S, Korah IP, Gibikote SV, Shyam NK, Nair A, Korula A. Sacral hydatidosis: value of MRI in the diagnosis. Skeletal Radiol. 1998 Sep;27(9):518-21. doi: 10.1007/s002560050431. PMID: 9809883.

Shyamkumar N, Athyal R, Govindarajulu G, Narayan V, Rangad F, Govil S, Chacko J. Pneumothorax preceding pulmonary blastoma in a child. Australas Radiol. 2001 Aug;45(3):387-9. doi: 10.1046/j.1440-1673.2001.00881.x. PMID: 11531773.

Chacko AG, Kumar NK, Chacko G, Athyal R, Rajshekhar V. Intraoperative ultrasound in determining the extent of resection of parenchymal brain tumours--a comparative study with computed tomography and histopathology. Acta Neurochir (Wien). 2003 Sep;145(9):743-8; discussion 748. doi: 10.1007/s00701-003-0009-2. PMID: 14505099.

Singh S, Gibikote SV, Shyamkumar NK. Isolated fourth ventricular cysticercus cyst: MR imaging in 4 cases with short literature review. Neurol India. 2003 Sep;51(3):394-6. PMID: 14652451.

Paul MJ, Shyamkumar NK, Sadhu D. Soft-tissue case 47. Pelvic retroperitoneal hydatid cyst secondary to rupture of a liver hydatid cyst. Can J Surg. 2002 Oct;45(5):368, 391. PMID: 12387543; PMCID: PMC3684642.

Nk SK, Kota GK, Gopalakrishnan G. The role of retrocolonic saline injection to obtain access for percutaneous nephrostomy in a pelvic kidney. BJU Int. 2005 May;95(7):1115-6. doi: 10.1111/j.1464-410X.2005.05477.x. PMID: 15839944.

Lee AD, Shyamkumar NK, Nayak S, Agarwal S, Perakath B. Collateral artery aneurysm: a unique presentation of thoracic outlet syndrome. Eur J Vasc Endovasc Surg. 2005 Jun;29(6):611-2. doi: 10.1016/j.ejvs.2005.02.015. Epub 2005 Mar 28. PMID: 15878539.

Ali A, Kurien M, Shyamkumar NK, Selvaraj. Anterior skull base: High risk areas in endoscopic sinus surgery in chronic rhinosinusitis: A computed tomographic analysis. Indian J Otolaryngol Head Neck Surg. 2005 Jan;57(1):5-8. doi: 10.1007/BF02907616. PMID: 23120113; PMCID: PMC3451550.

Irodi A, Keshava SN, Govil S, Mathew G. Radiology for the surgeon: Soft-tissue case 57. Superior mesenteric vein thrombosis. Can J Surg. 2005 Jun;48(3):239-40. PMID: 16013630; PMCID: PMC3211550.

Eapen CE, Mammen T, Moses V, Shyamkumar NK. Changing profile of Budd Chiari syndrome in India. Indian J Gastroenterol. 2007 Mar-Apr;26(2):77-81. PMID: 17558071.

Keshava SN, Mammen T, Surendrababu N, Moses V. Transjugular liver biopsy: What to do and what not to do. Indian J Radiol Imaging. 2008 Aug;18(3):245-8. doi: 10.4103/0971-3026.41839. PMID: 19774169; PMCID: PMC2747432.

Raveendran S, Rajendra Benny K, Monica S, Pallapati SR, Keshava SN, Thomas BP. Multiple Stab Incisions and Evacuation Technique for Contrast Extravasation of the Hand and Forearm. J Hand Surg Am. 2019 Jan;44(1):71.e1-71.e5. doi: 10.1016/j.jhsa.2018.08.009. Epub 2018 Oct 3. PMID: 30292713.

Govindarajan P, Keshava SN. Ultrasound-guided omental biopsy: Review of 173 patients. Indian J Radiol Imaging. 2010 Nov;20(4):307-9. doi: 10.4103/0971-3026.73533. PMID: 21423910; PMCID: PMC3056632.

Mahata KM, Keshava SK, Jacob KM. Osteoid osteoma of the femoral head treated by radiofrequency ablation: a case report. J Med Case Rep. 2011 Mar 24;5:115. doi: 10.1186/1752-1947-5-115. PMID: 21435206; PMCID: PMC3078857.

Koshy CG, Keshava SN, Moses V, Sen S. Case report: Combined transarterial and direct approaches for embolization of a large mandibular arteriovenous malformation. Indian J Radiol Imaging. 2011 Jan;21(1):6-9. doi: 10.4103/0971-3026.76044. PMID: 21431023; PMCID: PMC3056373.

David D, Samuel P, David T, Keshava SN, Irodi A, Peter JV. An open-labelled randomized controlled trial comparing costs and clinical outcomes of open endotracheal suctioning with closed endotracheal suctioning in mechanically ventilated medical intensive care patients. J Crit Care. 2011 Oct;26(5):482-488. doi: 10.1016/j.jcrc.2010.10.002. Epub 2010 Nov 23. PMID: 21106340.

Livingstone RS, Keshava SN. Technical note: Reduction of radiation dose using ultrasound guidance during transjugular intrahepatic portosystemic shunt procedure. Indian J Radiol Imaging. 2011 Jan;21(1):13-4. doi: 10.4103/0971-3026.76046. PMID: 21431025; PMCID: PMC3056361.

Anuradha C, Shyamkumar NK, Vinu M, Babu NR, Christopher DJ. Outcomes of bronchial artery embolization for life-threatening hemoptysis due to tuberculosis and post-tuberculosis sequelae. Diagn Interv Radiol. 2012 Jan-Feb;18(1):96-101. doi: 10.4261/1305-3825.DIR.3876-11.2. Epub 2011 Jun 15. PMID: 21678246.

Irodi A, Keshava SN, Agarwal S, Sadhu D. Standardisation of preoperative marking of incompetent perforators and saphenopopliteal junction on Doppler with evaluation of "t" technique. Indian J Surg. 2011 Jan;73(1):37-9. doi: 10.1007/s12262-010-0173-6. Epub 2010 Nov 23. PMID: 22211036; PMCID: PMC3077174.

Goel A, Ramakrishna B, Muliyil J, Madhu K, Sajith KG, Zachariah U, Ramachandran J, Keshava SN, Selvakumar R, Chandy GM, Elias E, Eapen CE. Use of serum vitamin B12 level as a marker to differentiate idiopathic noncirrhotic intrahepatic portal hypertension from cryptogenic cirrhosis. Dig Dis Sci. 2013 Jan;58(1):179-87. doi: 10.1007/s10620-012-2361-7. Epub 2012 Aug 24. PMID: 22918688.

Pal S, Ramachandran J, Kurien RT, Eapen A, Ramakrishna B, Keshava SN, Goel A, Sajith KG, Eapen CE. Hepatocellular carcinoma continues to be diagnosed in the advanced stage: profile of hepatocellular carcinoma in a tertiary care hospital in South India. Trop Doct. 2013 Jan;43(1):25-6. doi: 10.1177/0049475512473600. Epub 2013 Feb 26. PMID: 23443626.

Sureka J, Samuel S, Keshava SN, Venkatesh K, Sundararaj GD. MRI in patients with tuberculous spondylitis presenting as vertebra plana: a retrospective analysis and review of literature. Clin Radiol. 2013 Jan;68(1):e36-42. doi: 10.1016/j.crad.2012.09.004. Epub 2012 Nov 21. PMID: 23177653.

Chiramel GK, Keshava SN, Tamilarasi N, John GT. Is liver biopsy safe in patients with chronic renal disease? Indian J Gastroenterol. 2013 Jul;32(4):277-8. doi: 10.1007/s12664-012-0256-3. PMID: 23054949.

Mammen S, Keshava SN, Moses V, Babu S, Varughese S. Pictorial essay: Interventional radiology in the management of hemodialysis vascular access - A single-center experience. Indian J Radiol Imaging. 2012 Jan;22(1):14-8. doi: 10.4103/0971-3026.95397. PMID: 22623809; PMCID: PMC3354349.

Irodi A, Joseph E, Gnanaumuthu BR, Thomas M, Keshava SN. An unusual mediastinal mass. Ann Thorac Surg. 2011 Nov;92(5):1904. doi: 10.1016/j.athoracsur.2011.04.036. Epub 2011 Oct 31. PMID: 22051295.

Anuradha C, Jacob KS, Shyamkumar NK, Sridhar G. Evidence-based practice in radiology: knowledge, attitude and perceived barriers to practice among residents in radiology. Eur J Radiol. 2013 May;82(5):894-7. doi: 10.1016/j.ejrad.2013.01.026. Epub 2013 Mar 1. PMID: 23453704.

Koshy CG, Govil S, Shyamkumar NK, Devasia A. Bladder varices--rare cause of painless hematuria in idiopathic retroperitoneal fibrosis. Urology. 2009 Jan;73(1):58-9. doi: 10.1016/j.urology.2008.06.039. Epub 2008 Aug 22. PMID: 18722652.

Sureka J, Sarawagi R, Eapen A, Keshava SN, Vedantam R. Skull base hydatid cyst with intracranial extension presenting as vocal cord palsy: a case report. Br J Radiol. 2010 Mar;83(987):e67-9. doi: 10.1259/bjr/21853098. PMID: 20197432; PMCID: PMC3473556.

Koshy CG, Keshava SN, Surendrababu NR, Moses V, Stephen E, Agarwal S. Endovascular management of posttraumatic arteriovenous fistulae. Cardiovasc Intervent Radiol. 2009 Sep;32(5):1042-52. doi: 10.1007/s00270-009-9636-1. Epub 2009 Jul 14. PMID: 19597884.

Leena RV, Shyamkumar NK. Glove perforations during interventional radiological procedures. Cardiovasc Intervent Radiol. 2010 Apr;33(2):375-8. doi: 10.1007/s00270-009-9719-z. Epub 2009 Oct 1. PMID: 19795166.

Madhu K, Avinash B, Ramakrishna B, Eapen CE, Shyamkumar NK, Zachariah U, Chandy G, Kurian G. Idiopathic non-cirrhotic intrahepatic portal hypertension: common cause of cryptogenic intrahepatic portal hypertension in a Southern Indian tertiary hospital. Indian J Gastroenterol. 2009 May-Jun;28(3):83-7. doi: 10.1007/s12664-009-0030-3. Epub 2009 Nov 12. PMID: 19907954.

Irodi A, Keshava SN, Agarwal S, Korah IP, Sadhu D. Ultrasound Doppler evaluation of the pattern of involvement of varicose veins in Indian patients. Indian J Surg. 2011 Apr;73(2):125-30. doi: 10.1007/s12262-010-0195-0. Epub 2010 Dec 14. PMID: 22468062; PMCID: PMC3077159.

Jesudasan CD, Nair S, Thangakunam B, Keshava SN, Moses V. Near-fatal hemorrhage after bronchoscopic resection of a carcinoid tumor: successful management by bronchial artery embolization. J Bronchology Interv Pulmonol. 2010 Apr;17(2):152-4. doi: 10.1097/LBR.0b013e3181da2faf. PMID: 23168733.

Sarawagi R, Keshava SN, Surendrababu NR, Zachariah UG, Eapen EC. Budd-Chiari syndrome complicating hydatid cyst of the liver managed by venoplasty and stenting. Cardiovasc Intervent Radiol. 2011 Feb;34 Suppl 2:S202-5. doi: 10.1007/s00270-010-9833-y. Epub 2010 Mar 24. PMID: 20333383.

Mammen T, Keshava S, Eapen CE, Moses V, Babu NR, Kurien G, Chandy G. Intrahepatic collateral recanalization in symptomatic Budd-Chiari syndrome: a single-center experience. J Vasc Interv Radiol. 2010 Jul;21(7):1119-24. doi: 10.1016/j.jvir.2010.03.008. Epub 2010 May 26. PMID: 20537910.

Koshy CG, Chacko BR, Keshava SN, Stephen E, Agarwal S. Decision making in the treatment of peripheral arterial disease - A single-institution comparative study using information from color doppler and digital subtraction angiogram studies. Indian J Radiol Imaging. 2011 Oct;21(4):294-7. doi: 10.4103/0971-3026.90694. PMID: 22223944; PMCID: PMC3249947.

Jasper A, Keshava SN. Aortic coarctation associated with an absent segment of the proximal right subclavian artery. J Postgrad Med. 2014 Oct-Dec;60(4):397-9. doi: 10.4103/0022-3859.143970. PMID: 25370550.

Jasper A, Harshe G, Keshava SN, Kulkarni G, Stephen E, Agarwal S. Evaluation of normal abdominal aortic diameters in the Indian population using computed tomography. J Postgrad Med. 2014 Jan-Mar;60(1):57-60. doi: 10.4103/0022-3859.128813. PMID: 24625941.

Sidhu A, Sheikh N, Chavhan G, Mann E, Ramakantan R, Jankharia B, Gibikote S, Keshava SN, Shroff M. Improving pediatric radiology in India. Pediatr Radiol. 2014 Jun;44(6):657-65. doi: 10.1007/s00247-013-2868-x. Epub 2014 Jan 18. Erratum in: Pediatr Radiol. 2015 Feb;45(2):302. PMID: 24442341.

Doria AS, Keshava SN, Mohanta A, Jarrin J, Blanchette V, Srivastava A, Moineddin R, Kavitha ML, Hilliard P, Poonnoose P, Gibikote S. Diagnostic accuracy of ultrasound for assessment of hemophilic arthropathy: MRI correlation. AJR Am J Roentgenol. 2015 Mar;204(3):W336-47. doi: 10.2214/AJR.14.12501. Erratum in: AJR Am J Roentgenol. 2020 Jul;215(1):262. PMID: 25714320.

Gopal B, Keshava SN, Selvaraj D. A rare newly described overgrowth syndrome with vascular malformations-Cloves syndrome. Indian J Radiol Imaging. 2015 Jan-Mar;25(1):71-3. doi: 10.4103/0971-3026.150166. PMID: 25709171; PMCID: PMC4329693.

Prapruttam D, Hedgire SS, Mani SE, Chandramohan A, Shyamkumar NK, Harisinghani M. Tuberculosis--the great mimicker. Semin Ultrasound CT MR. 2014 Jun;35(3):195-214. doi: 10.1053/j.sult.2014.02.002. Epub 2014 Feb 12. PMID: 24929261.

Nair BR, Joseph V, Chacko G, Keshava SN. Giant solid hemangioblastoma of the cerebellopontine angle: a technically challenging case. Neurol India. 2014 Mar-Apr;62(2):228-9. doi: 10.4103/0028-3886.132450. PMID: 24823754.

Irodi A, Keshava SN. Rasmussen's aneurysm -- undue importance to an uncommon entity? Br J Radiol. 2009 Aug;82(980):698. doi: 10.1259/bjr/87990037. PMID: 19592402.

Surendrababu NR, Keshava SN, Eapen CE, Zachariah UG. Transjugular intrahepatic portocaval shunt placed through the strut of an inferior vena cava stent in a patient with Budd-Chiari syndrome: a technical modification. Br J Radiol. 2010 Jan;83(985):e22-4. doi: 10.1259/bjr/60833972. PMID: 20139245; PMCID: PMC3487257.

Sandhya P, Keshava SN, Danda D, Padhan P, Mathew J, Gibikote S. Pneumorrhachis and pneumomediastinum in connective tissue disease-related interstitial lung disease: case series from a tertiary care teaching hospital in South India. Rheumatol Int. 2012 May;32(5):1415-9. doi: 10.1007/s00296-011-1862-6. Epub 2011 Mar 27. PMID: 21442175.

Poonnoose PM, Thomas R, Keshava SN, Cherian RS, Padankatti S, Pazani D, Kavitha ML, Devadarasini M, Bhattacharji S, Viswabandya A, John JA, Macaden AS, Mathews V, Srivastava A. Psychometric analysis of the Functional Independence Score in Haemophilia (FISH). Haemophilia. 2007 Sep;13(5):620-6. doi: 10.1111/j.1365-2516.2007.01508.x. PMID: 17880453.

Chelliah ST, Keshava SN, Moses V, Surendrababu NR, Zachariah UG, Eapen C. Measurement of hepatic venous pressure gradient revisited: Catheter wedge vs balloon wedge techniques. Indian J Radiol Imaging. 2011 Oct;21(4):291-3. doi: 10.4103/0971-3026.90693. PMID: 22223943; PMCID: PMC3249946.

Goel A, Ramakrishna B, Madhu K, Zachariah U, Ramachandran J, Keshava SN, Elias E, Eapen CE. Idiopathic noncirrhotic intrahepatic portal hypertension is an ongoing problem in India. Hepatology. 2011 Dec;54(6):2274; author reply 2274-5. doi: 10.1002/hep.24750. PMID: 22030741.

Mammen S, Keshava SN, Danda S, Raju R, Chacko AG. Endovascular management of carotid-cavernous fistula in Ehlers-Danlos syndrome Type IV. Neurol India. 2012 Jan-Feb;60(1):119-21. doi: 10.4103/0028-3886.93616. PMID: 22406803.

Sen I, Stephen E, Malepathi K, Agarwal S, Shyamkumar NK, Mammen S. Neurological complications in carotid body tumors: a 6-year single-center experience. J Vasc Surg. 2013 Feb;57(2 Suppl):64S-8S. doi: 10.1016/j.jvs.2012.06.114. PMID: 23336858.

Surya P, Keshava SN, Irodi A, Vyas S, Thangakunam B. Recurrent hemoptysis: An unusual cause and novel management. Indian J Radiol Imaging. 2016 Apr-Jun;26(2):267-70. doi: 10.4103/0971-3026.184412. PMID: 27413278; PMCID: PMC4931790.

Mammen S, Keshava SN, Moses V, Aaron S, Ahmed M, Chiramel GK, Mani SE, Alexander M. Role of penumbra mechanical thrombectomy device in acute dural sinus thrombosis. Indian J Radiol Imaging. 2017 Jan-Mar;27(1):82-87. doi: 10.4103/0971-3026.202956. PMID: 28515593; PMCID: PMC5385784.

Therakathu J, Yadav VK, Keshava SN, Gibikote S, Chavan GB, Shroff M. The current status of pediatric radiology in India: A conference-based survey. Indian J Radiol Imaging. 2017 Jan-Mar;27(1):73-77. doi: 10.4103/0971-3026.202965. PMID: 28515591; PMCID: PMC5385782.

Aaron S, Arthur A, Prabakhar AT, Mannam P, Shyamkumar NK, Mani S, Mathew V, Peter J, Sivadasan A, Alexander A, Karthik M, Benjamin RN, Alexander M. Spectrum of Visual Impairment in Cerebral Venous Thrombosis: Importance of Tailoring Therapies Based on Pathophysiology. Ann Indian Acad Neurol. 2017 Jul-Sep;20(3):294-301. doi: 10.4103/aian.AIAN_11_17. PMID: 28904465; PMCID: PMC5586128.

Goel A, Alagammai PL, Nair SC, Mackie I, Ramakrishna B, Muliyil J, Keshava SN, Eapen CE, Elias E. ADAMTS13 deficiency, despite well-compensated liver functions in patients with noncirrhotic portal hypertension. Indian J Gastroenterol. 2014 Jul;33(4):355-63. doi: 10.1007/s12664-014-0460-4. Epub 2014 Apr 24. PMID: 24756423.

Moses V, Keshava SN, Mammen S, Ahmed M, Eapen CE, Ramakrishna B. Trans-caval trans-jugular liver biopsy--a technical modification of trans-jugular liver biopsy. Br J Radiol. 2014 Nov;87(1043):20140327. doi: 10.1259/bjr.20140327. Epub 2014 Sep 24. PMID: 25248931; PMCID: PMC4207161.

Keshava SN, Gibikote S. The Stall Grid Contest. Indian J Radiol Imaging. 2015 Jul-Sep;25(3):325-6. doi: 10.4103/0971-3026.161472. PMID: 26288532; PMCID: PMC4531462.

Keshava SN, Gibikote SV, Mohanta A, Poonnoose P, Rayner T, Hilliard P, Lakshmi KM, Moineddin R, Ignas D, Srivastava A, Blanchette V, Doria AS. Ultrasound and magnetic resonance imaging of healthy paediatric ankles and knees: a baseline for comparison with haemophilic joints. Haemophilia. 2015 May;21(3):e210-22. doi: 10.1111/hae.12614. Epub 2015 Mar 4. PMID: 25736388.

Therakathu J, Keshava SN, Thippeswamy PB, Chandramohan A. Overseas exams - Perception of audience in a conference symposium: A survey. Indian J Radiol Imaging. 2015 Apr-Jun;25(2):206-7. doi: 10.4103/0971-3026.155883. PMID: 25969648; PMCID: PMC4419434.

Poonnoose PM, Hilliard P, Doria AS, Keshava SN, Gibikote S, Kavitha ML, Feldman BM, Blanchette V, Srivastava A. Correlating clinical and radiological assessment of joints in haemophilia: results of a cross sectional study. Haemophilia. 2016 Nov;22(6):925-933. doi: 10.1111/hae.13023. Epub 2016 Jul 7. PMID: 27385495.

Sundar G, Keshava SN, Moses V, Chiramel GK, Ahmed M, Mammen S, Aggarwal S, Stephen E. Outcomes of catheter-directed treatment of lower extremity deep vein thrombosis of patients presenting to a tertiary care hospital. Indian J Radiol Imaging. 2016 Jan-Mar;26(1):73-80. doi: 10.4103/0971-3026.178340. PMID: 27081228; PMCID: PMC4813079.

Doria AS, Keshava SN, Gibikote S. Reply to "Hemosiderin Detection With Ultrasound: Reality or Myth?". AJR Am J Roentgenol. 2016 Jan;206(1):W31-5. doi: 10.2214/AJR.15.15535. PMID: 26700362.

Mammen S, Keshava SN, Kattiparambil S. Acute Portal Vein Thrombosis, No Longer a Contraindication for Transjugular Intrahepatic Porto-Systemic Shunt (TIPS) Insertion. J Clin Exp Hepatol. 2015 Sep;5(3):259-61. doi: 10.1016/j.jceh.2014.08.008. Epub 2014 Sep 22. PMID: 26628844; PMCID: PMC4632077.

Rodger A, Sen I, Nidugala Keshava S, Agarwal S. Diagnosis of a varicose aneurysm is rare but not obsolete. J Vasc Surg Venous Lymphat Disord. 2016 Oct;4(4):482. doi: 10.1016/j.jvsv.2015.10.050. PMID: 27639004.

Garge S, Keshava SN, Moses V. Cannula-Assisted, Transabdominal Ultrasound-Guided Inferior Vena Cava Recanalization in Inferior Vena Cava Occlusion. Curr Probl Diagn Radiol. 2017 May-Jun;46(3):196-199. doi: 10.1067/j.cpradiol.2016.07.003. Epub 2016 Aug 3. PMID: 27667701.

John RA, Keshava SN, Danda D. Correlating MRI with clinical evaluation in the assessment of disease activity of Takayasu's arteritis. Int J Rheum Dis. 2017 Jul;20(7):882-886. doi: 10.1111/1756-185X.12967. Epub 2017 Feb 3. PMID: 28736969.

Poonnoose P, Carneiro JDA, Cruickshank AL, El Ekiaby M, Perez Bianco RP, Ozelo MC, De Bosch N, Baghaipour M, Tien SL, Chuansumrit A, D'Amico EA, van Zyl A, Sabour A, Candela M, Ricciardi JBS, Ruiz-Sàez A, Ravanbod R, Lam JCL, Jaovisidha S, Kavitha ML, Gibikote S, Shyamkumar N, Srivastava A; MUSFIH Study group. Episodic replacement of clotting factor concentrates does not prevent bleeding or musculoskeletal damage - the MUSFIH study. Haemophilia. 2017 Jul;23(4):538-546. doi: 10.1111/hae.13242. Epub 2017 Jun 2. PMID: 28574179.

Fischer K, Poonnoose P, Dunn AL, Babyn P, Manco-Johnson MJ, David JA, van der Net J, Feldman B, Berger K, Carcao M, de Kleijn P, Silva M, Hilliard P, Doria A, Srivastava A, Blanchette V; participants of the International Symposium on Outcome Measures in Hemophilic Arthropathy. Choosing outcome assessment tools in haemophilia care and research: a multidisciplinary perspective. Haemophilia. 2017 Jan;23(1):11-24. doi: 10.1111/hae.13088. Epub 2016 Sep 15. PMID: 27633342.

Bhageerathy PS, Thomas A, Thomas V, Keshava SN, Peedicayil A. Femoral Arterial Blowout Post Groin Recurrence in Vulvar Carcinoma - Novel Endovascular Management. Indian J Surg Oncol. 2016 Dec;7(4):456-459. doi: 10.1007/s13193-016-0521-5. Epub 2016 Apr 23. PMID: 27872535; PMCID: PMC5097755.

Garge S, Keshava SN, Moses V, Chiramel GK, Ahmed M, Mammen S, Madhuri V. Radiofrequency ablation of osteoid osteoma in common and technically challenging locations in pediatric population. Indian J Radiol Imaging. 2017 Jan-Mar;27(1):88-91. doi: 10.4103/0971-3026.202955. PMID: 28515594; PMCID: PMC5385785.

Karthikumar, B., Keshava, S. N., Moses, V., Chiramel, G. K., Ahmed, M. and Mammen, S. Percutaneous gastrostomy placement by intervention radiology: Techniques and outcome Indian J Radiol Imaging; 2018, 28 (2): 225-231 Link

Chiramel GK, Keshava SN, Moses V, Mammen S, David S, Sen S. Percutaneous sclerotherapy of congenital slow-flow vascular malformations of the orbit. Cardiovasc Intervent Radiol. 2015 Apr;38(2):270-9. doi: 10.1007/s00270-014-0971-5. Epub 2014 Aug 23. PMID: 25148921.

DasGupta R, Shetty S, Keshava SN, Gupta M, Paul MJ, Thomas N. Metastatic parathyroid carcinoma treated with radiofrequency ablation: A novel therapeutic modality. Australas Med J. 2014 Sep 30;7(9):372-5. doi: 10.4066/AMJ.2014.2084. PMID: 25324902; PMCID: PMC4185329.

Mammen S, Keshava SN, Moses V, Chiramel GK, Irodi A, Gnanamuthu BR. Endovascular treatment of isolated arterial pulmonary malinosculation. Indian J Radiol Imaging. 2015 Jul-Sep;25(3):239-43. doi: 10.4103/0971-3026.161439. PMID: 26288517; PMCID: PMC4531447.

Keshava SN, Gibikote S, Doria AS. Imaging evaluation of hemophilia: musculoskeletal approach. Semin Thromb Hemost. 2015 Nov;41(8):880-93. doi: 10.1055/s-0035-1564798. Epub 2015 Oct 19. PMID: 26479893.

Garge S, Moses V, Keshava S, Ahmed M, Moorthy R. Persistent hypoglossal arteries with aneurysmal dilation of left hypoglossal artery: a rare case report and review of the literature. BJR Case Rep. 2016 May 31;2(2):20150301. doi: 10.1259/bjrcr.20150301. PMID: 30363626; PMCID: PMC6180872.

Mehan R, Rupa V, Lukka VK, Ahmed M, Moses V, Shyam Kumar NK. Association between vascular supply, stage and tumour size of juvenile nasopharyngeal angiofibroma. Eur Arch Otorhinolaryngol. 2016 Dec;273(12):4295-4303. doi: 10.1007/s00405-016-4136-9. Epub 2016 Jun 11. PMID: 27289235.

Goel A, Christudoss P, George R, Ramakrishna B, Amirtharaj GJ, Keshava SN, Ramachandran A, Balasubramanian KA, Mackie I, Fleming JJ, Elias E, Eapen CE. Arsenicosis, possibly from contaminated groundwater, associated with noncirrhotic intrahepatic portal hypertension. Indian J Gastroenterol. 2016 May;35(3):207-15. doi: 10.1007/s12664-016-0660-1. Epub 2016 May 26. PMID: 27225799.

Karuppiah Viswanathan AM, Irodi A, Keshava SN, Aneez J, Karthik G. Arteriolymphatic Fistula: An Unusual Cause of Spontaneous Swelling in the Left Supraclavicular Region. Cardiovasc Intervent Radiol. 2016 Sep;39(9):1347-51. doi: 10.1007/s00270-016-1348-8. Epub 2016 May 16. PMID: 27184364.

Ahmed M, Keshava SN, Moses V, Mammen S, Jacob KM, Madhuri V. Use of a vascular sheath for introduction of radiofrequency ablation probe during radiofrequency ablation of osteoid osteoma. Indian J Radiol Imaging. 2015 Oct-Dec;25(4):365-7. doi: 10.4103/0971-3026.169460. PMID: 26752816; PMCID: PMC4693384.

Chiramel GK, Keshava SN, Moses V, Kekre N, Tamilarasi V, Devasia A. Clinical outcomes of endovascularly managed iatrogenic renal hemorrhages. Indian J Radiol Imaging. 2015 Oct-Dec;25(4):380-90. doi: 10.4103/0971-3026.169454. PMID: 26752819; PMCID: PMC4693387.

Mehan R, Rupa V, Lukka VK, Ahmed M, Moses V, Shyam Kumar NK. Association between vascular supply, stage and tumour size of juvenile nasopharyngeal angiofibroma. Eur Arch Otorhinolaryngol. 2016 Dec;273(12):4295-4303. doi: 10.1007/s00405-016-4136-9. Epub 2016 Jun 11. PMID: 27289235.

Aaron S, Mary J, Arthur A, Nidugala SK, Mani S, Prabakhar AT, Sivadasan A, Mathew V, Alexander M. Paradoxical Emboli to Artery of Percehron in Hereditary Haemorrhagic Telangiectasia. Neurol India. 2021 Jan-Feb;69(1):198-200. doi: 10.4103/0028-3886.310068. PMID: 33642302.

Ahmed M, Keshava SN, Moses V, Valson AT. Endovascular management of a large retroperitoneal haemorrhage resulting from dual testicular and intra-renal arterial injury after renal biopsy. Indian J Radiol Imaging. 2018 Jul-Sep;28(3):362-365. doi: 10.4103/ijri.IJRI_94_18. PMID: 30319216; PMCID: PMC6176666.

Garge S, Keshava SN, Moses V, Mammen S, Ahmed M, Chiramel GK, Cherian V, Manasseh N, George B, Mathews V, Abraham A, Viswabandya A, Srivastava A, Gibikote S. Role of endovascular embolization in treatment of acute bleeding complications in haemophilia patients. Br J Radiol. 2016 Aug;89(1064):20151064. doi: 10.1259/bjr.20151064. Epub 2016 Jun 21. PMID: 27327402; PMCID: PMC5124877.

Muthukrishnan A, Shanthly N, Kumar S. Afferent loop syndrome: the role of Tc-99m mebrofenin hepatobiliary scintigraphy. Clin Nucl Med. 2000 Jun;25(6):492-4. doi: 10.1097/00003072-200006000-00029. PMID: 10836711.

Eapen CE, Shyamkumar NK, Gibikote SV, Korah IP, Nair A, Samal SC, Chandy G. Images of interest. Hepatobiliary and pancreatic: man with recurrent jaundice and abdominal pain. J Gastroenterol Hepatol. 2000 Apr;15(4):454-55; discussion 456. doi: 10.1046/j.1440-1746.2000.2181a.x. PMID: 10824893.

Raveendran S, Rajendra Benny K, Monica S, Pallapati SR, Keshava SN, Thomas BP. Multiple Stab Incisions and Evacuation Technique for Contrast Extravasation of the Hand and Forearm. J Hand Surg Am. 2019 Jan;44(1):71.e1-71.e5. doi: 10.1016/j.jhsa.2018.08.009. Epub 2018 Oct 3. PMID: 30292713.

Raveendran S, Rajendra Benny K, Monica S, Pallapati SR, Keshava SN, Thomas BP. Multiple Stab Incisions and Evacuation Technique for Contrast Extravasation of the Hand and Forearm. J Hand Surg Am. 2019 Jan;44(1):71.e1-71.e5. doi: 10.1016/j.jhsa.2018.08.009. Epub 2018 Oct 3. PMID: 30292713.

Raveendran S, Rajendra Benny K, Monica S, Pallapati SR, Keshava SN, Thomas BP. Multiple Stab Incisions and Evacuation Technique for Contrast Extravasation of the Hand and Forearm. J Hand Surg Am. 2019 Jan;44(1):71.e1-71.e5. doi: 10.1016/j.jhsa.2018.08.009. Epub 2018 Oct 3. PMID: 30292713.

Loganathan G, Shyamkumar NK, Kurian G, Eapen CE, Korah IP, Gnanaraj L, Chandy GM. Vesical varix in cirrhosis of liver. Indian J Gastroenterol. 2000 Oct-Dec;19(4):193-4. PMID: 11059194.

Patra A, Keshava SN. Biopsy with Side-Cutting Coaxial Needle-Knowing the "Cutting Length" and "Throw Length". Indian J Radiol Imaging. 2022 Jan 10;31(4):933-938. doi: 10.1055/s-0041-1741050. PMID: 35136506; PMCID: PMC8817798.

Balasubramanian K, Keshava SN, Lenin A, Mukha R. Endovascular management of a patient with massive renal arteriovenous fistula: challenges and tricks. BMJ Case Rep. 2021 Feb 1;14(2):e236358. doi: 10.1136/bcr-2020-236358. PMID: 33526517; PMCID: PMC7853036.

Patra A, Keshava SN. Biopsy with Side-Cutting Coaxial Needle-Knowing the "Cutting Length" and "Throw Length". Indian J Radiol Imaging. 2022 Jan 10;31(4):933-938. doi: 10.1055/s-0041-1741050. PMID: 35136506; PMCID: PMC8817798.

Shah R, Jothy S, Padiyar S, Subramanian R, Keshava SN, Joseph G, Danda D. Colour Doppler ultrasonography of temporal artery in treatment naive takayasu arteritis: A pilot study. Indian J Rheumatol 2021;16:361-3 DOI: 10.4103/injr.injr_349_20

Sharma A, Keshava SN, Eapen A, Elias E, Eapen CE. An Update on the Management of Budd-Chiari Syndrome. Dig Dis Sci. 2021 Jun;66(6):1780-1790. doi: 10.1007/s10620-020-06485-y. Epub 2020 Jul 20. PMID: 32691382.

Shoban Haridass, Shyamkumar N. Keshava, Sanjeeva .Kalva Portability of Scientific Manuscripts and Reviewers’ Comments Journal of Clinical Interventional Radiology ISVIR 2022; 6(01): 1-2. DOI: 10.1055/s-0041-1741366

Srinivasan G, Moses V, Padmanabhan A, Ahmed M, Keshava SN, Krishnan V, Joseph BV, Raju KP, Rajshekhar V. Utility of spinal angiography and arterial embolization in patients undergoing CT guided alcohol injection of aggressive vertebral hemangiomas. Neuroradiology. 2021 Nov;63(11):1935-1945. doi: 10.1007/s00234-021-02788-7. Epub 2021 Aug 24. PMID: 34427707.

Punnen GE, Keshava SN, Gibikote S. Clinical Radiology Case Presentation: Do's and Don'ts. Indian J Radiol Imaging. 2021 Jan;31(1):24-29. doi: 10.1055/s-0041-1729489. Epub 2021 May 25. PMID: 34316108; PMCID: PMC8299493.

Kota PB, Kota AA, Agarwal S, Keshava SN. De novo arteriovenous malformations in post-thrombotic limbs. BMJ Case Rep. 2022 Mar 24;15(3):e244576. doi: 10.1136/bcr-2021-244576. PMID: 35331999; PMCID: PMC8948383.

Keshava SN, Moses V, Padmanabhan A. Efficacy of Shadow-Based Needle Positioning System in Performing CT Image-Guided Percutaneous Biopsy of Lung Lesions: Our Initial Experience. Indian J Radiol Imaging. 2022 Apr 27;32(1):38-45. doi: 10.1055/s-0041-1742243. PMID: 35722653; PMCID: PMC9200487.

Sidhu A, Sheikh N, Chavhan G, Mann E, Ramakantan R, Jankharia B, Gibikote S, Keshava SN, Shroff M. Erratum to: Improving pediatric radiology in India. Pediatr Radiol. 2015 Feb;45(2):302. doi: 10.1007/s00247-014-3185-8. Erratum for: Pediatr Radiol. 2014 Jun;44(6):657-65. PMID: 25252830.

Selvaraj AD, Stephen E, Keshava SN, Agarwal S, Shah S. An unusual etiology of a subclavian artery aneurysm. Vasc Med. 2009 Nov;14(4):377-9. doi: 10.1177/1358863X08101857. PMID: 19808724.

Chaluvashetty SB, Kalra N, Bhujade H, Keshava SN, Mohan C. Interventional radiology and COVID-19: How to face the challenge? Indian J Radiol Imaging. 2021 Jan;31(Suppl 1):S38-S44. doi: 10.4103/ijri.IJRI_351_20. Epub 2021 Jan 23. PMID: 33814760; PMCID: PMC7996698.

Aaron S, Shyamkumar NK, Alexander S, Babu PS, Prabhakar AT, Moses V, Murthy TV, Alexander M. Mechanical thrombectomy for acute ischemic stroke in pregnancy using the penumbra system. Ann Indian Acad Neurol. 2016 Apr-Jun;19(2):261-3. doi: 10.4103/0972-2327.173302. PMID: 27293343; PMCID: PMC4888695.

Sebastian B, Keshava SN, Lakshminarayan R. The Status of Interventional Radiology as a Specialty among Medical Students in India-Knowledge, Interest, and Exposure. Indian J Radiol Imaging. 2021 Apr;31(2):259-264. doi: 10.1055/s-0041-1733813. Epub 2021 Jul 28. PMID: 34556905; PMCID: PMC8448250.

Keshava SN, Moses V, Sharma A, Ahmed M, Narayanan S, Padmanabhan A, Goel A, Zachariah U, Eapen CE. Technical and Medium-Term Clinical Outcomes of Transjugular Intrahepatic Portosystemic Shunt with Fluoroscopy and Additional Trans-abdominal Ultrasound Guidance. Indian J Radiol Imaging. 2021 Nov 30;31(4):858-866. doi: 10.1055/s-0041-1735928. PMID: 35136497; PMCID: PMC8817814.

Loganathan AK, Jacob TJ, Matthew LG, Moses V, Keshava SKN, Priscilla AJ, Kurian JJ. Efficacy of Core Needle Biopsy in the Diagnosis of Pediatric Extracranial Solid Malignancies: A 10-Year Study. J Indian Assoc Pediatr Surg. 2022 Jan-Feb;27(1):60-64. doi: 10.4103/jiaps.JIAPS_319_20. Epub 2022 Jan 11. PMID: 35261515; PMCID: PMC8853597.

Joseph G, Kota A, Thomson VS, Perla HT, Keshava SN. Endografts with mini-cuff-augmented fenestrations for endovascular repair of thoracoabdominal aortic and common iliac artery aneurysms. Vascular. 2021 Apr;29(2):163-170. doi: 10.1177/1708538120949324. Epub 2020 Aug 17. PMID: 32807029.

Regi SS, Livingstone RS, Kandagaddala M, Poonnoose P, Gibikote S, Keshava SN, Srivastava A. Ultrasound and magnetic resonance imaging for the detection of blood: An ex-vivo study. Haemophilia. 2021 May;27(3):488-493. doi: 10.1111/hae.14303. Epub 2021 Mar 29. PMID: 33780101.

Patra A, Premkumar M, Keshava SN, Chandramohan A, Joseph E, Gibikote S. Radiology Reporting Errors: Learning from Report Addenda. Indian J Radiol Imaging. 2021 Apr;31(2):333-344. doi: 10.1055/s-0041-1734351. Epub 2021 Aug 12. PMID: 34556916; PMCID: PMC8448237.

Aaron S, Lakshmanan J, Sudarsanam TD, Benjamin K, Durairaj J, Mathew V, Sivadasan A, Prabhakar AT, Keshava SKN, Mannam PR, Kirubakaran P, Muliyil J, Alexander M. Cerebral Venous Thrombosis, Seasonal Trends, and Climatic Influence: A Region-SpecificStudy. Ann Indian Acad Neurol. 2020 Jul-Aug;23(4):522-527. doi: 10.4103/aian.AIAN_409_19. Epub 2019 Jul 11. PMID: 33223671; PMCID: PMC7657288.

Haridass S, Keshava SN. The "Inside-outside" Sign. J Clin Imaging Sci. 2021 Nov 1;11:57. doi: 10.25259/JCIS_192_2021. PMID: 34754597; PMCID: PMC8571281. Link

Punnen GE, Keshava SN, Gibikote S. Clinical Radiology Case Presentation: Do's and Don'ts. Indian J Radiol Imaging. 2021 Jan;31(1):24-29. doi: 10.1055/s-0041-1729489. Epub 2021 May 25. PMID: 34316108; PMCID: PMC8299493.

Madhusudhan KS, Jineesh V, Keshava SN. Indian College of Radiology and Imaging Evidence-Based Guidelines for Percutaneous Image-Guided Biliary Procedures. Indian J Radiol Imaging. 2021 Apr;31(2):421-440. doi: 10.1055/s-0041-1734222. Epub 2021 Jul 28. PMID: 34556927; PMCID: PMC8448229.

Tolend M, Majeed H, Soliman M, Daruge P, Bordalo-Rodrigues M, Dertkigil SSJ, Gibikote S, Keshava SN, Stimec J, Dunn A, Li YJ, Blanchette V, Lundin B, Doria AS. Critical appraisal of the International Prophylaxis Study Group magnetic resonance image scale for evaluating haemophilic arthropathy. Haemophilia. 2020 Jul;26(4):565-574. doi: 10.1111/hae.14032. Epub 2020 Jun 4. PMID: 32497355.

Jasper A, Mammen S, Gowri MS, Keshava SN, Selvaraj D. Imaging criteria to predict Shamblin group in carotid body tumors - revisited. Diagn Interv Radiol. 2021 May;27(3):354-359. doi: 10.5152/dir.2021.20028. PMID: 33769292; PMCID: PMC8136543.

Loganathan AK, Jacob TJ, Matthew LG, Moses V, Keshava SKN, Priscilla AJ, Kurian JJ. Efficacy of Core Needle Biopsy in the Diagnosis of Pediatric Extracranial Solid Malignancies: A 10-Year Study. J Indian Assoc Pediatr Surg. 2022 Jan-Feb;27(1):60-64. doi: 10.4103/jiaps.JIAPS_319_20. Epub 2022 Jan 11. PMID: 35261515; PMCID: PMC8853597.

Mathew L, George R, Meeniga RS, Moses V, Keshava SN. Peripheral Arteriovenous Malformations-A Case Series. Indian Dermatol Online J. 2020 May 10;11(3):367-372. doi: 10.4103/idoj.IDOJ_207_19. PMID: 32695695; PMCID: PMC7367563.

Aaron S, Mary J, Arthur A, Nidugala SK, Mani S, Prabakhar AT, Sivadasan A, Mathew V, Alexander M. Paradoxical Emboli to Artery of Percehron in Hereditary Haemorrhagic Telangiectasia. Neurol India. 2021 Jan-Feb;69(1):198-200. doi: 10.4103/0028-3886.310068. PMID: 33642302.

Singh G, Girishan S, Selwyn T, Keshava SN. Differentiation Between the Potential Subdural Space and Subarachnoid Space Was Difficult With Fluoroscopy Due to Obesity. J Neurosurg Anesthesiol. 2015 Oct;27(4):359-60. doi: 10.1097/ANA.0000000000000180. PMID: 25844952.

Bakeer N, Dover S, Babyn P, Feldman BM, von Drygalski A, Doria AS, Ignas DM, Abad A, Bailey C, Beggs I, Chang EY, Dunn A, Funk S, Gibikote S, Goddard N, Hilliard P, Keshava SN, Kruse-Jarres R, Li Y, Lobet S, Manco-Johnson M, Martinoli C, O'Donnell JS, Papakonstantinou O, Pergantou H, Poonnoose P, Querol F, Srivastava A, Steiner B, Strike K, Timmer M, Tyrrell PN, Vidarsson L, Blanchette VS. Musculoskeletal ultrasound in hemophilia: Results and recommendations from a global survey and consensus meeting. Res Pract Thromb Haemost. 2021 Jul 10;5(5):e12531 . doi: 10.1002/rth2.12531. PMID: 34268464; PMCID: PMC8271584.

Leena RV, Shyamkumar NK. Glove perforations during interventional radiological procedures. Cardiovasc Intervent Radiol. 2010 Apr;33(2):375-8. doi: 10.1007/s00270-009-9719-z. Epub 2009 Oct 1. PMID: 19795166.

Krishan S, Dhiman RK, Kalra N, Sharma R, Baijal SS, Arora A, Gulati A, Eapan A, Verma A, Keshava S, Mukund A, Deva S, Chaudhary R, Ganesan K, Taneja S, Gorsi U, Gamanagatti S, Madhusudan KS, Puri P, Shalimar, Govil S, Wadhavan M, Saigal S, Kumar A, Thapar S, Duseja A, Saraf N, Khandelwal A, Mukhopadyay S, Gulati A, Shetty N, Verma N. Joint Consensus Statement of the Indian National Association for Study of the Liver and Indian Radiological and Imaging Association for the Diagnosis and Imaging of Hepatocellular Carcinoma Incorporating Liver Imaging Reporting and Data System. J Clin Exp Hepatol. 2019 Sep-Oct;9(5):625-651. doi: 10.1016/j.jceh.2019.07.005. Epub 2019 Aug 6. Erratum in: J Clin Exp Hepatol. 2020 Mar-Apr;10(2):188. PMID: 31695253; PMCID: PMC6823668.

Pearlin RB, Livingstone RS, Jasper A, Keshava SKN, Sridhar G. Evaluation of Radiation Dose Reduction and its Effect on Image Quality for Different Flat-Panel Detectors. J Med Phys. 2022 Jan-Mar;47(1):73-78. doi: 10.4103/jmp.jmp_127_21. Epub 2022 Mar 31. PMID: 35548029; PMCID: PMC9084589.

Premkumar M, Chiramel GK, Keshava SN. Retrieval of retained pigtail in the liver. Indian J Radiol Imaging. 2020 Jul-Sep;30(3):376-378. doi: 10.4103/ijri.IJRI_97_20. Epub 2020 Oct 15. PMID: 33273773; PMCID: PMC7694720.

Sharma A, Goel A, Moses V, Keshava SN, Zachariah UG, Elias E, Eapen CE. Anticoagulating Budd-Chiari syndrome patients presenting with variceal bleed: A retrospective study. J Gastroenterol Hepatol. 2020 Aug;35(8):1397-1403. doi: 10.1111/jgh.14971. Epub 2020 Jan 16. PMID: 31900982.

Chanda R, Kandagaddala M, Moses V, Sigamani E, Keshava SN, Janakiraman R. Role of Ultrasound Acoustic Radiation Force Impulse in Differentiating Benign from Malignant Superficial Lymph Nodes. J Clin Imaging Sci. 2020 Apr 6;10:18. doi: 10.25259/JCIS_175_2019. PMID: 32363080; PMCID: PMC7193147.

Singhal R, K B SB, Naranje P, Kazimi J, Garg PK, Chandra D, Popat BA, Shetty NS, Gorsi U, Vimala LR, Khera PS, Irodi A, Kulkarni S, Keshava SN, Bhalla AS. Society of Chest Imaging and Interventions Consensus Guidelines for the Interventional Radiology Management of Hemoptysis. Indian J Radiol Imaging. 2023 Apr 10;33(3):361-372. doi: 10.1055/s-0043-1762552. PMID: 37362365; PMCID: PMC10289864.

Mathew L, George R, Sudhakar S, Keshava SN, Fouzia NA. Clinical Profile of Overgrowth Syndromes Consistent with PROS (PIK3CA-Related Overgrowth Syndromes)-A Case Series. Indian Dermatol Online J. 2020 Sep 19;11(5):738-746. doi: 10.4103/idoj.IDOJ_520_19. PMID: 33235839; PMCID: PMC7678549.

Vikrama KS, Keshava SN, Vinu M, Joseph P, Vyas F, Venkatramani S. The authors reply. Can J Surg. 2009 Aug;52(4):316. PMID: 19680518; PMCID: PMC2724808.

Ravichandran RCA, Amritanand R, Moses V, Kandagaddala M, Krishnan V, David KS, Arockiaraj J, Kulasekaran H, Ganesan MP, Prabhu AJ, Keshava SN. Computed Tomography-Guided Spinal Biopsy in Suspected Infective Spondylodiscitis: An Institutional Review of Its Utility. Indian J Radiol Imaging. 2023 May 6;33(3):289-294. doi: 10.1055/s-0043-1764491. PMID: 37362354; PMCID: PMC10289846.

Ganesh S, Jasper A, Backianathan S, Moorthy RK, Balakrishnan R, Sebastian P, Moses V, Godson HF, Keshava SN, Rajshekhar V. Correlation Between Post-Radiosurgery Perinidal Hyperintensity and AVM Obliteration Following LINAC-Based Stereotactic Radiosurgery. World Neurosurg. 2023 Oct;178:e189-e201. doi: 10.1016/j.wneu.2023.07.032. Epub 2023 Jul 15. PMID: 37454908.

Haridass S, Kalva S, Yadav B, Keshava SN. A Survey on Factors Influencing the Work-Family-Health Balance of an Interventional Radiologist. Indian J Radiol Imaging. 2023 Sep 12;34(1):60-68. doi: 10.1055/s-0043-1772694. PMID: 38106873; PMCID: PMC10723968.

Isaac J, Shyamkumar NK, Karnik SV. Intraosseus schwannoma. J Postgrad Med. 2004 Apr-Jun;50(2):127-8. PMID: 15235212.

Sasidharan BK, James RI, Sathyendra S, Harsh R, Jeba Sundararaj J, Ravindran V, T HMT, Ashok N, Thirunavukkarasu MM, Punitha JV, George TK, Isaac BTJ, Zechariah AJ, David SNJ, Yesupatham DP, Irodi A, Aruldas V, Keshava SN, Zachariah A, Kang G, Mammen JJ. UDHAVI Community Support During India's Second COVID-19 Wave: A Descriptive Study on a Tertiary Care Center's Pandemic Response Helpline. Glob Health Sci Pract. 2023 Oct 30;11(5):e2200315. doi: 10.9745/GHSP-D-22-00315. PMID: 37903577; PMCID: PMC10615235.

Londhe SR, Gg SK, Keshava SN, Mohan C. Indian College of Radiology and Imaging (ICRI) Consensus Guidelines for the Early Management of Patients with Acute Ischemic Stroke: Imaging and Intervention. Indian J Radiol Imaging. 2021 Apr;31(2):400-408. doi: 10.1055/s-0041-1734346. Epub 2021 Jul 27. PMID: 34556925; PMCID: PMC8448212.

Swaminathan G, Jonathan GE, Mani SA, Keshava SN, Moses V, Prabhu K. Surgical strategies in the management of aggressive spinal haemangiomas: Retrospective case series with literature review and a practical treatment algorithm. Brain Spine. 2023 Dec 14;4:102736. doi: 10.1016/j.bas.2023.102736. PMID: 38510623; PMCID: PMC10951693.

Management Challenges of Internal Carotid Artery Pseudoaneurysm in Skull Base Osteomyelitis.Arun G. Karthat Katti B. Sara Miria Mathews Nandu Sukumaran Santhosh B. Kannan Bharathy Aeesha Tasneem Abi Manesh Shyamkumar N. Keshava Rajan Sundaresan Regi Thomas.J Neurol Surg B Skull Base DOI: 10.1055/a-2607-5667

Keshava SN, Sureka B, Sharma P. Advocating Renaming Radiodiagnosis to Clinical Radiology: Aligning Nomenclature with Contemporary Clinical Practice. Indian J Radiol Imaging. 2026 Jan 9;36(1):1. doi: 10.1055/s-0045-1814417. PMID: 41523348; PMCID: PMC12788933.

Suhail JM, Bharathy SBK, Garg S, Haridass S, Keshava SN. Ultrasound-Guided Retrograde Internal Jugular Venous Puncture in Neurointerventional Procedures. Neurointervention. 2026 Mar;21(1):29-34. doi: 10.5469/neuroint.2025.00745. Epub 2025 Dec 1. PMID: 41320168; PMCID: PMC12960039. Link

Keshava SN, Sureka B. The "Gatekeepers" of Medical Imaging. Indian J Radiol Imaging. 2025 Jun 16;35(3):359-360. doi: 10.1055/s-0045-1809353. PMID: 40529965; PMCID: PMC12169924.

Keshava SN, Sureka B. VOMIT and "BOMIT". Indian J Radiol Imaging. 2025 Sep 16;35(4):511-512. doi: 10.1055/s-0045-1810632. PMID: 40963985; PMCID: PMC12440595.

Keshava SN, Sureka B. Optimizing Radiology Postgraduate Education with Increase in Number of Seats: The Way Forward. Indian J Radiol Imaging. 2025 Apr 27;35(2):203. doi: 10.1055/s-0045-1805057. PMID: 40297116; PMCID: PMC12034410.

Eapen KC, Koikkara KA, Keshava SN. Mastering the Art of First Impressions: Tips to Write a Title, Abstract, and Keywords for a Medical Manuscript. Indian J Radiol Imaging. 2025 Jan 9;35(Suppl 1):S53-S57. doi: 10.1055/s-0044-1792039. PMID: 39802726; PMCID: PMC11717455.

Alexander V, John A, Benjamin S, Akilesh S, Rathore S, Mathews J, Regi A, Beck M, Santhanam S, Keshava SN, Zachariah U, Eapen CE, Goel A. Non-selective beta blockers are well tolerated in pregnancy with portal hypertension. Indian J Gastroenterol. 2026 Apr;45(2):240-249. doi: 10.1007/s12664-025-01876-3. Epub 2025 Oct 23. PMID: 41129039.