Jeba J, Isiah R, Subhashini J, Backianathan S, Thangakunam B, Christopher DJ. Radiation Pneumonitis After Conventional Radiotherapy For Breast Cancer: A Prospective Study. J Clin Diagn Res. 2015 Jul;9(7):XC01-XC05. doi: 10.7860/JCDR/2015/13969.6211. Epub 2015 Jul 1. PMID: 26393189; PMCID: PMC4573021.

James P, Gupta R, Christopher DJ, Thankagunam B, Veeraraghavan B. MDR- and XDR-TB among suspected drug-resistant TB patients in a tertiary care hospital in India. Clin Respir J. 2011 Jan;5(1):19-25. doi: 10.1111/j.1752-699X.2009.00184.x. PMID: 21159137.

Denkinger CM, Kalantri Y, Schumacher SG, Michael JS, Shankar D, Saxena A, Sriram N, Balamugesh T, Luo R, Pollock NR, Pai M, Christopher DJ. Challenges in the development of an immunochromatographic interferon-gamma test for diagnosis of pleural tuberculosis. PLoS One. 2013 Dec 23;8(12):e85447. doi: 10.1371/journal.pone.0085447. PMID: 24376880; PMCID: PMC3871622.

Christopher DJ, Schumacher SG, Michael JS, Luo R, Balamugesh T, Duraikannan P, Pollock NR, Pai M, Denkinger CM. Performance of Xpert MTB/RIF on pleural tissue for the diagnosis of pleural tuberculosis. Eur Respir J. 2013 Nov;42(5):1427-9. doi: 10.1183/09031936.00103213. Epub 2013 Jul 30. PMID: 23900990.

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.

Schumacher SG, Thangakunam B, Denkinger CM, Oliver AA, Shakti KB, Qin ZZ, Michael JS, Luo R, Pai M, Christopher DJ. Impact of point-of-care implementation of Xpert® MTB/RIF: product vs. process innovation. Int J Tuberc Lung Dis. 2015 Sep;19(9):1084-90. doi: 10.5588/ijtld.15.0120. PMID: 26260830.

Jeba J, Isiah R, Subhashini J, Backianathan S, Thangakunam B, Christopher DJ. Radiation Pneumonitis After Conventional Radiotherapy For Breast Cancer: A Prospective Study. J Clin Diagn Res. 2015 Jul;9(7):XC01-XC05. doi: 10.7860/JCDR/2015/13969.6211. Epub 2015 Jul 1. PMID: 26393189; PMCID: PMC4573021.

James P, Gupta R, Christopher DJ, Thankagunam B, Veeraraghavan B. MDR- and XDR-TB among suspected drug-resistant TB patients in a tertiary care hospital in India. Clin Respir J. 2011 Jan;5(1):19-25. doi: 10.1111/j.1752-699X.2009.00184.x. PMID: 21159137.

Denkinger CM, Kalantri Y, Schumacher SG, Michael JS, Shankar D, Saxena A, Sriram N, Balamugesh T, Luo R, Pollock NR, Pai M, Christopher DJ. Challenges in the development of an immunochromatographic interferon-gamma test for diagnosis of pleural tuberculosis. PLoS One. 2013 Dec 23;8(12):e85447. doi: 10.1371/journal.pone.0085447. PMID: 24376880; PMCID: PMC3871622.

Christopher DJ, Schumacher SG, Michael JS, Luo R, Balamugesh T, Duraikannan P, Pollock NR, Pai M, Denkinger CM. Performance of Xpert MTB/RIF on pleural tissue for the diagnosis of pleural tuberculosis. Eur Respir J. 2013 Nov;42(5):1427-9. doi: 10.1183/09031936.00103213. Epub 2013 Jul 30. PMID: 23900990.

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.

Schumacher SG, Thangakunam B, Denkinger CM, Oliver AA, Shakti KB, Qin ZZ, Michael JS, Luo R, Pai M, Christopher DJ. Impact of point-of-care implementation of Xpert® MTB/RIF: product vs. process innovation. Int J Tuberc Lung Dis. 2015 Sep;19(9):1084-90. doi: 10.5588/ijtld.15.0120. PMID: 26260830.

Saha A, Shanthi F X M, Winston A B, Das S, Kumar A, Michael JS, Balamugesh T. Prevalence of Hepatotoxicity From Antituberculosis Therapy: A Five-Year Experience From South India. J Prim Care Community Health. 2016 Jul;7(3):171-4. doi: 10.1177/2150131916642431. Epub 2016 Apr 7. PMID: 27056794; PMCID: PMC5932686.

Saheer S, Thangakunam B, Christopher DJ, George B. Lenalidomide-induced diffuse alveolar hemorrhage. Lung India. 2014 Jan;31(1):90-1. doi: 10.4103/0970-2113.126004. PMID: 24669097; PMCID: PMC3960826.

Christopher DJ, Dinakaran S, Gupta R, James P, Isaac B, Thangakunam B. Thoracoscopic pleural biopsy improves yield of Xpert MTB/RIF for diagnosis of pleural tuberculosis. Respirology. 2018 Jul;23(7):714-717. doi: 10.1111/resp.13275. Epub 2018 Feb 27. PMID: 29486527.

Paul A, Christopher DJ, Thangakunam B. The puzzle of lymphoma among the granulomatous disorders. Lung India. 2019 Mar-Apr;36(2):164-166. doi: 10.4103/lungindia.lungindia_395_17. PMID: 30829255; PMCID: PMC6410593.

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.

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.

Gupta N, Mathew J, Mohan H, Chowdhury SD, Kurien RT, Christopher DJ, Thangakunam B, Alexander M, Sivadasan A, Tamilarasi V, Valson AT, Gowri M, Kabeerdoss J, Danda D. Addition of second-line steroid sparing immunosuppressants like mycophenolate mofetil improves outcome of Immunoglobulin G4-related disease (IgG4-RD): a series from a tertiary care teaching hospital in South India. Rheumatol Int. 2018 Feb;38(2):203-209. doi: 10.1007/s00296-017-3730-5. Epub 2017 May 26. PMID: 28550399

Saha A, Shanthi F X M, Winston A B, Das S, Kumar A, Michael JS, Balamugesh T. Prevalence of Hepatotoxicity From Antituberculosis Therapy: A Five-Year Experience From South India. J Prim Care Community Health. 2016 Jul;7(3):171-4. doi: 10.1177/2150131916642431. Epub 2016 Apr 7. PMID: 27056794; PMCID: PMC5932686.

Bal SK, Gupta R, Irodi A, Nair A, Mathew J, Thangakunam B, Christopher DJ. To immunosuppress or not: Behcet's syndrome presenting as an eosinophilic pleural effusion. Lung India. 2017 Sep-Oct;34(5):457-460. doi: 10.4103/lungindia.lungindia_471_16. PMID: 28869232; PMCID: PMC5592759.

Jeba, J., Cherian, R. M., Thangakunam, B., George, R. and Visalakshi, J. Prognostic Factors of Malignant Pleural Effusion among Palliative Care Outpatients: A Retrospective Study Indian J Palliat Care; 2018, 24 (2): 184-188 Link

Priya N, Isaac BTJ, Thangakunam B, Christopher DJ. Effect of home-based pulmonary rehabilitation on health-related quality of life, lung function, exercise tolerance, and dyspnea in chronic obstructive pulmonary disorder patients in a tertiary care center in South India. Lung India. 2021 May-Jun;38(3):211-215. doi: 10.4103/lungindia.lungindia_895_20. PMID: 33942743; PMCID: PMC8194434.

Balamugesh T, Christopher DJ, George B, Rajesh T. Strongyloidosis hyperinfection in a neutropenic host diagnosed by bronchoalveolar lavage. Indian J Chest Dis Allied Sci. 2007 Jan-Mar;49(1):37-9. PMID: 17256565.

Paul A, Christopher DJ, Thangakunam B. The puzzle of lymphoma among the granulomatous disorders. Lung India. 2019 Mar-Apr;36(2):164-166. doi: 10.4103/lungindia.lungindia_395_17. PMID: 30829255; PMCID: PMC6410593.

Thangakunam B, Christopher DJ, Mathews V, Srivastava A. Mesenchymal stromal stem cell therapy in advanced interstitial lung disease - Anaphylaxis and short-term follow-up. Lung India. 2015 Sep-Oct;32(5):486-8. doi: 10.4103/0970-2113.164156. PMID: 26628765; PMCID: PMC4587005.

Vyas S, Thangakunam B, Gupta R, Michael JS, Christopher DJ. Interferon gamma release assay and tuberculin skin test positivity in sarcoidosis. Lung India. 2015 Jan-Feb;32(1):91-2. doi: 10.4103/0970-2113.148467. PMID: 25624613; PMCID: PMC4298936.

Duraikannan P, Saheer S, Balamugesh T, Christopher DJ. Rare cause of paradoxical worsening of pleural effusion in a patient with tuberculosis. Lung India. 2017 Mar-Apr;34(2):167-169. doi: 10.4103/0970-2113.201315. PMID: 28360466; PMCID: PMC5351360.

Glassberg MK, Minkiewicz J, Toonkel RL, Simonet ES, Rubio GA, DiFede D, Shafazand S, Khan A, Pujol MV, LaRussa VF, Lancaster LH, Rosen GD, Fishman J, Mageto YN, Mendizabal A, Hare JM. Allogeneic Human Mesenchymal Stem Cells in Patients With Idiopathic Pulmonary Fibrosis via Intravenous Delivery (AETHER): A Phase I Safety Clinical Trial. Chest. 2017 May;151(5):971-981. doi: 10.1016/j.chest.2016.10.061. Epub 2016 Nov 24. PMID: 27890713; PMCID: PMC6026255. Link

Thomas, Rajesh MD, DNB, Christopher, Devasahayam J. DNB, FCCP, Thangakunam, Balamugesh MD, DM, Thomas, Meera MD, Mathew, Prasad MD Rare Manifestation of Sarcoidosis as Endobronchial Mass, Journal of Bronchology: January 2008 - Volume 15 - Issue 1 - p 44-45 doi: 10.1097/LBR.0b013e3181604f49

Madan K, Tiwari P, Thankgakunam B, Mittal S, Hadda V, Mohan A, Guleria R. A survey of medical thoracoscopy practices in India. Lung India. 2021 Jan-Feb;38(1):23-30. doi: 10.4103/lungindia.lungindia_295_20. PMID: 33402634; PMCID: PMC8066931.

Thomas R, Turaka VP, Peter JV, Christopher DJ, Balamugesh T, Mahasampath G, Mathuram AJ, Sadiq M, Ramya I, George T, Chandireseharan V, George T, Sudarsanam TD. Good survival rate, moderate overall and good respirator quality of life, near normal pulmonary functions, and good return to work despite catastrophic economic costs 6 months following recovery from Acute Respiratory Distress Syndrome. Lung India. 2022 Mar-Apr;39(2):169-173. doi: 10.4103/lungindia.lungindia_6_21. PMID: 35259800; PMCID: PMC9053934.

Isaac BT, Christopher DJ, Thangakunam B, Gupta M. Tracheal schwannoma: Completely resected with therapeutic bronchoscopic techniques. Lung India. 2015 May-Jun;32(3):271-3. doi: 10.4103/0970-2113.156252. PMID: 25983416; PMCID: PMC4429392.

Isaac BT, Thangakunam B, Cherian RA, Christopher DJ. The correlation of symptoms, pulmonary function tests and exercise testing with high-resolution computed tomography in patients with idiopathic interstitial pneumonia in a tertiary care hospital in South India. Lung India. 2015 Nov-Dec;32(6):584-8. doi: 10.4103/0970-2113.168131. PMID: 26664164; PMCID: PMC4663861.

Daniel J, Thangakunam B, Isaac BTJ, Moorthy M, Christopher DJ. Recurrent COVID-19 infection in a case of rituximab-induced hypogammaglobulinaemia. Respirol Case Rep. 2021 Dec 7;10(1):e0891 .doi: 10.1002/rcr2.891. PMID: 34934508; PMCID: PMC8652043.

Thangakunam B. Are the days of closed pleural biopsy over? No. Lung India. 2015 Nov-Dec;32(6):641-3. doi: 10.4103/0970-2113.168140. PMID: 26664179; PMCID: PMC4663876.

Thangakunam B, Bal SK, Venkatapathy AV, Irodi A, Christopher DJ. A rare cause of ventilatory failure in a patient with post-traumatic intracranial hemorrhage. Lung India. 2017 Jul-Aug;34(4):390-392. doi: 10.4103/0970-2113.209246. PMID: 28671175; PMCID: PMC5504901.

Thangakunam B, Isaac BTJ, Christopher DJ. Endobronchial ultrasound experience in a high tuberculosis prevalence setting. Indian J Tuberc. 2017 Jul;64(3):196-200. doi: 10.1016/j.ijtb.2016.11.035. Epub 2017 Feb 13. PMID: 28709488.

Thangakunam B, Christopher DJ. The Audio Study: Thoracoscopic Pleural Biopsy May Be Even Better. Chest. 2019 Mar;155(3):649-650. doi: 10.1016/j.chest.2018.11.024. PMID: 30846072; PMCID: PMC6436960.

Isaac BTJ, Priya N, Nair AA, Thangakunam B, Balachandran A, George T, Thomas SM, George TK, Iyadurai R, Kumar SS, Zachariah A, Singh B, Rupali P, Pichamuthu K, Gupta R, Daniel J, Sasikumar JR, Chandy ST, Christopher DJ. Treatment of COVID-19 Acute Respiratory Distress Syndrome With a Tabletop Noninvasive Ventilation Device in a Respiratory Intermediate Care Unit. Mayo Clin Proc Innov Qual Outcomes. 2022 Jun;6(3):239-249. doi: 10.1016/j.mayocpiqo.2022.04.001. Epub 2022 Apr 19. PMID: 35463482; PMCID: PMC9015959.

Muthu V, Agarwal R, Patel A, Kathirvel S, Abraham OC, Aggarwal AN, Bal A, Bhalla AS, Chhajed PN, Chaudhry D, Garg M, Guleria R, Krishnan RG, Kumar A, Maheshwari U, Mehta R, Mohan A, Nath A, Patel D, Rudramurthy SM, Saxena P, Sethuraman N, Singhal T, Soman R, Thangakunam B, Varghese GM, Chakrabarti A. Definition, diagnosis, and management of COVID-19-associated pulmonary mucormycosis: Delphi consensus statement from the Fungal Infection Study Forum and Academy of Pulmonary Sciences, India. Lancet Infect Dis. 2022 Apr 4:S1473-3099(22)00124-4. doi: 10.1016/S1473-3099(22)00124-4. Epub ahead of print. PMID: 35390293; PMCID: PMC8979562.

Jesudas CD, Thangakunam B. Tuberculosis risk in health care workers. Indian J Chest Dis Allied Sci. 2013 Jul-Sep;55(3):149-54. PMID: 24380222.

Denkinger CM, Kalantri Y, Schumacher SG, Michael JS, Shankar D, Saxena A, Sriram N, Balamugesh T, Luo R, Pollock NR, Pai M, Christopher DJ. Challenges in the development of an immunochromatographic interferon-gamma test for diagnosis of pleural tuberculosis. PLoS One. 2013 Dec 23;8(12):e85447. doi: 10.1371/journal.pone.0085447. PMID: 24376880; PMCID: PMC3871622.

Bal SK, Gupta R, Vimala LR, Paul A, Thangakunam B, Christopher DJ. A Curious Case of a Low-Protein Pleural Effusion. J Bronchology Interv Pulmonol. 2016 Jul;23(3):e23-4. doi: 10.1097/LBR.0000000000000280. PMID: 27454476.

Thangakunam B, Christopher DJ. Barrier enclosure device: More scientific evidence is required. Lung India. 2021 Jan-Feb;38(1):104. doi: 10.4103/lungindia.lungindia_722_20. PMID: 33402654; PMCID: PMC8066921.

Christopher DJ, Isaac BT, Thangakunam B. The link between vitamin D deficiency and COVID-19. Lung India. 2021 Mar;38(Supplement):S4-S5. doi: 10.4103/lungindia.lungindia_921_20. PMID: 33686972; PMCID: PMC8104352.

Batra U, Prabhash K, Agarwal JP, Darlong L, Munshi A, Penumadu P, Thangakunam B, Bansal A. Clinical management of stage III non-small cell lung cancer in India: An expert consensus statement. Asia Pac J Clin Oncol. 2023 Feb 23. doi: 10.1111/ajco.13938. Epub ahead of print. PMID: 36815621.

Christopher DJ, Oommen AM, George K, Shankar D, Agrawal A, Thangakunam B. Prevalence of Airflow Obstruction as Measured by Spirometry, in Rural Southern Indian Adults. COPD. 2020 Apr;17(2):128-135. doi: 10.1080/15412555.2020.1723074. Epub 2020 Feb 5. PMID: 32020813.

Rohit K.O.a Rohit K.O.;Thangakunam, Balamugesha;Mehta, Vinayb;Christopher, Devasahayam J.a;James, Princea Evaluation of humoral immune deficiency in Indian patients with bilateral bronchiectasis with no apparent aetiology Lung India Volume 40, Issue 1, Pages 33 - 36January 2023 DOI: 10.4103/lungindia.lungindia_319_22

Singh A, Lall B, Panigrahi BK, Agrawal A, Agrawal A, Thangakunam B, Christopher DJ. Semantic segmentation of bone structures in chest X-rays including unhealthy radiographs: A robust and accurate approach. Int J Med Inform. 2022 Sep;165:104831. doi: 10.1016/j.ijmedinf.2022.104831. Epub 2022 Jul 18. PMID: 35870303.

Christopher DJ, Natania A, Daniel J, Balamugesh T, Isaac B, Krishna MT. Prevalence of drug allergy labels in a tertiary pulmonary service in South India. Clin Exp Allergy. 2023 Jul;53(7):781-784. doi: 10.1111/cea.14365. Epub 2023 Jun 26. PMID: 37365847.

Daniel J, Gupta R, Thangakunam B, Christopher DJ. Undiagnosed Asthma-COPD overlap among patients diagnosed as Asthma and COPD in a referral hospital, India. Heliyon. 2023 Mar 22;9(4):e14711. doi: 10.1016/j.heliyon.2023.e14711. PMID: 37025820; PMCID: PMC10070599.

Ramachandran G, Hemanth Kumar AK, Kannan T, Thangakunam B, Shankar D, Christopher DJ. Pharmacokinetics of rifampicin, isoniazid & pyrazinamide during daily & intermittent dosing: A preliminary study. Indian J Med Res. 2023 Feb-Mar;157(2&3):211-215. doi: 10.4103/ijmr.IJMR_1835_19. PMID: 36861539; PMCID: PMC10319390.

Christopher DJ, Isaac BT, Rupali P, Thangakunam B. Health-care preparedness and health-care worker protection in COVID-19 pandemic. Lung India. 2020 May-Jun;37(3):238-245. doi: 10.4103/lungindia.lungindia_189_20. PMID: 32367846; PMCID: PMC7353937.

Christopher DJ, Natania A, Daniel J, Balamugesh T, Isaac B, Krishna MT. Prevalence of drug allergy labels in a tertiary pulmonary service in South India. Clin Exp Allergy. 2023 Jul;53(7):781-784. doi: 10.1111/cea.14365. Epub 2023 Jun 26. PMID: 37365847.

Peringattuthodiyil Y, Christopher DJ, Balamugesh T, Saheer S. Aberrant arterial supply to left lung. Lung India. 2015 May-Jun;32(3):287-8. doi: 10.4103/0970-2113.156257. PMID: 25983421; PMCID: PMC4429397.

George B, Moorthy M, Kulkarni U, Selvarajan S, Rupali P, Christopher DJ, Balamugesh T, Rose W, Lakshmi KM, Devasia AJ, Fouzia NA, Korula A, Lionel S, Abraham A, Mathews V. Single Dose of Ivermectin is not Useful in Patients with Hematological Disorders and COVID-19 Illness: A Phase II B Open Labelled Randomized Controlled Trial. Indian J Hematol Blood Transfus. 2022 May 27:1-8. doi: 10.1007/s12288-022-01546-w. Epub ahead of print. PMID: 35669353; PMCID: PMC9135993.

Daniel J, Thangakunam B, Isaac BTJ, Moorthy M, Christopher DJ. Recurrent COVID-19 infection in a case of rituximab-induced hypogammaglobulinaemia. Respirol Case Rep. 2021 Dec 7;10(1):e0891. doi: 10.1002/rcr2.891. PMID: 34934508; PMCID: PMC8652043.

Christopher DJ, Isaac BT, Thangakunam B. Preparedness to face the COVID-19 pandemic - is India missing the mark? J Glob Health. 2020 Dec;10(2):020338. doi: 10.7189/jogh.10.020338. PMID: 33214883; PMCID: PMC7648878.

Putta T, Irodi A, Thangakunam B, Oliver A. Author's reply. Indian J Radiol Imaging. 2017 Jan-Mar;27(1):111. doi: 10.4103/0971-3026.202969. PMID: 28515599; PMCID: PMC5385766.

Thangakunam B, Christopher DJ. Xpert Ultra Is Better Than Xpert, but Using Biopsy Samples May Be Even Better. Chest. 2020 Aug;158(2):829-830. doi: 10.1016/j.chest.2020.02.078. PMID: 32768069.

Nair AA, Gupta R, James P, Irodi A, Christopher DJ, Thangagunam B. The safety and tolerability of pirfenidone in Indian patients with idiopathic pulmonary fibrosis. Curr Med Issues 2022;20(1):27-31. DOI: 10.4103/cmi.cmi_89_21

Paul A, Paul A, Subhash I, Yadav B, Jacob JR, Christopher DJ, Balamugesh T. Atrial depolarization abnormalities in pulmonary sarcoidosis. Egypt Heart J. 2022 Oct 8;74(1):74. doi: 10.1186/s43044-022-00312-7. PMID: 36209309; PMCID: PMC9547766.

Vyas S, Thangakunam B, Gupta R, Michael JS, Christopher DJ. Interferon gamma release assay and tuberculin skin test positivity in sarcoidosis. Lung India. 2015 Jan-Feb;32(1):91-2. doi: 10.4103/0970-2113.148467. PMID: 25624613; PMCID: PMC4298936.

Thangakunam B, Roger J, Isaac B, Mangal D, Barney A, Gupta R, Christopher DJ. Dyspnoea in patients presenting to post-COVID respiratory clinic not fully explained by lung function impairment and chest radiography abnormalities. Lung India. 2023 May-Jun;40(3):296-298. doi: 10.4103/lungindia.lungindia_554_22. PMID: 37148036; PMCID: PMC10298822.

Kundu D, Gautam P, Dayanand D, Gunasekaran K, Manesh A, Sebastian M, Abhilash KPP, Zachariah A, George T, Sathyendra S, Hansdak SG, Abraham OC, Iyadurai R, Thangakunam B, Gupta R, Karthik R, Moorthy M, Varghese GM. The role and diagnostic accuracy of serology for COVID-19. BMC Infect Dis. 2022 Apr 19;22(1):390. doi: 10.1186/s12879-022-0736-1y. PMID: 35439957; PMCID: PMC9017961.

Saheer S, Enose P, Thangakunam B, Irodi A, Korula A. Cavitating lung metastasis secondary to ameloblastoma. Lung India. 2015 Sep-Oct;32(5):527-8. doi: 10.4103/0970-2113.164181. PMID: 26628778; PMCID: PMC4587018.

Singh RK, Thangakunam B, Isaac B, Christopher DJ. Cannonball shadow in the lungs and pulmonary embolism in a young man. BMJ Case Rep. 2013 Jul 12;2013:bcr2012007541. doi: 10.1136/bcr-2012-007541. PMID: 23853007; PMCID: PMC3736267.

Singh RK, Christopher DJ, Isaac TJ, Jeyaraj V, Balamugesh T. Endobronchial rhinosporidiosis. J Bronchology Interv Pulmonol. 2013 Apr;20(2):164-6. doi: 10.1097/LBR.0b013e31828cf4a0. PMID: 23609254.

Singh RK, Thangakunam B, Isaac BT, Gupta A. Disseminated solitary fibrous tumour of the lung and pleura. BMJ Case Rep. 2013 Sep 18;2013:bcr2013009362. doi: 10.1136/bcr-2013-009362. PMID: 24049085; PMCID: PMC3794321.

A. A. Nair, A. Raja, A. J. Devasia, L. R. Vimala, R. Gupta, B. Thangakunam and V. Mathews Thoracic air leak syndrome as the sole manifestation of chronic lung graft-versus-host disease: a case report The Egyptian Journal of Bronchology.16, 60 (2022) Link

Mohammad Sadiq Jeeyavudeen, Samuel George Hansdek, Nihal Thomas, Thangakunam Balamugesh, Mahasampath Gowri, Thomas V. Paul Bone health in ambulatory male patients with chronic obstructive airway disease – A case control study from India Aging Medicine First published: 12 January 2023 https://doi.org/10.1002/agm2.12239

Rohit KO, Thangakunam B, Mehta V, Christopher DJ, James P. Evaluation of humoral immune deficiency in Indian patients with bilateral bronchiectasis with no apparent aetiology. Lung India. 2023 Jan-Feb;40(1):33-36. doi: 10.4103/lungindia.lungindia_319_22. PMID: 36695256; PMCID: PMC9894279.

Saheer S, Thangakunam B, Christopher DJ, George B. Lenalidomide-induced diffuse alveolar hemorrhage. Lung India. 2014 Jan;31(1):90-1. doi: 10.4103/0970-2113.126004. PMID: 24669097; PMCID: PMC3960826.

Thangakunam B, Christopher DJ. he Audio Study: Thoracoscopic Pleural Biopsy May Be Even Better. Chest. 2019 Mar;155(3):649-650. doi: 10.1016/j.chest.2018.11.024. PMID: 30846072; PMCID: PMC6436960.

Singh RK, Isaac TJ, Thangakunam B, Mathews N, Korula A. Isolated pulmonary manifestation of IgG4 disease with response to steroids and relapse: A rare case report. Lung India. 2015 Nov-Dec;32(6):659-61. doi: 10.4103/0970-2113.168110. PMID: 26664186; PMCID: PMC4663883.

Thangakunam B, Christopher DJ. Allogeneic Human Mesenchymal Stem Cells in Patients With Idiopathic Pulmonary Fibrosis: Well Done, but Subsequent Doses May Be Vital. Chest. 2018 Jan;153(1):287. doi: 10.1016/j.chest.2017.09.053. PMID: 29307425.

Christopher DJ, Oommen AM, George K, Premkumar PS, Shankar D, Agrawal A, Thangakunam B. Rural South Indian spirometry values show wide variation compared to existing prediction equations. Lung India. 2023 May-Jun;40(3):193-199. doi: 10.4103/lungindia.lungindia_336_22. PMID: 37148014; PMCID: PMC10298811.

Putta T, Irodi A, Thangakunam B, Oliver A, Gunasingam R. Young patient with generalized lymphangiomatosis: Differentiating the differential. Indian J Radiol Imaging. 2016 Jul-Sep;26(3):411-415. doi: 10.4103/0971-3026.190416. PMID: 27857472; PMCID: PMC5036344.

Bose P, Chacko B, Arul AO, Robinson Vimala L, Thangakunam B, Varghese GM, Jambugulam M, Lenin A, Peter JV. Delayed inflammatory pulmonary syndrome: A distinct clinical entity in the spectrum of inflammatory syndromes in COVID-19 infection? World J Crit Care Med. 2023 Sep 9;12(4):226-235. doi: 10.5492/wjccm.v12.i4.226. PMID: 37745259; PMCID: PMC10515099.

Thangakunam B, Isaac BT, Christopher DJ, Burad D. Idiopathic pleuroparenchymal fibroelastosis - A rare idiopathic interstitial pneumonia. Respir Med Case Rep. 2015 Nov 22;17:8-11. doi: 10.1016/j.rmcr.2015.11.004. PMID: 27141432; PMCID: PMC4821335.

Joseph TJ, Isaac BT, James P, Thangakunam B. Reversible platypnoea-orthodeoxia syndrome. BMJ Case Rep. 2023 Oct 31;16(10):e255587. doi: 10.1136/bcr-2023-255587. PMID: 37907322; PMCID: PMC10618969.

Ramachandran K, Thankagunam B, Karuppusami R, Christopher DJ. Physician Related Delays in the Diagnosis of Lung Cancer in India. J Clin Diagn Res. 2016 Nov;10(11):OC05-OC08. doi: 10.7860/JCDR/2016/22737.8823. Epub 2016 Nov 1. PMID: 28050418; PMCID: PMC5198371.

Gupta R, James P, Thangakunam B, Christopher DJ. Medical thoracoscopic removal of a metal needle from the pleural space. BMJ Case Rep. 2014 Oct 9;2014:bcr2014207035. doi: 10.1136/bcr-2014-207035. PMID: 25301430; PMCID: PMC4195211.

Christopher DJ, Isaac BT, Thangakunam B. Home versus institutional isolation of mild COVID-19 patients. Lung India. 2021 Mar;38(Supplement):S78-S79. doi: 10.4103/lungindia.lungindia_439_20. PMID: 33686987; PMCID: PMC8104353.

Paul A, Peringattuthodiyil Y, Christopher DJ, Thangakunam B. Young onset hemoptysis: A rare cause of pulmonary arterial aneurysm. Lung India. 2016 May-Jun;33(3):345-7. doi: 10.4103/0970-2113.180952. PMID: 27186006; PMCID: PMC4857578.

John N, Thangakunam B, Devasahayam AJ, Peravali V, Christopher DJ. Maximal oxygen uptake is lower for a healthy Indian population compared to white populations. J Cardiopulm Rehabil Prev. 2011 Sep-Oct;31(5):322-7. doi: 10.1097/HCR.0b013e318220a7b0. PMID: 21734591.

S B MJ, Chacko B, Selvarajan S, Peter JV, Geevar T, Dave RG, Georgy JT, Zachariah A, George T, Sathyendra S, Hansdak SG, Krishnaswami RK, Thangakunam B, Gupta R, Karuppusami R, Nair SC, Srivastava A. Biomarkers of coagulation, endothelial, platelet function, and fibrinolysis in patients with COVID-19: a prospective study. Sci Rep. 2024 Jan 23;14(1):2011. doi: 10.1038/s41598-024-51908-9. PMID: 38263377; PMCID: PMC10805716.

Nair AA, Gupta R, Irodi A, Ashwin Oliver A, Chandran D, Thangakunam B, James P. Tracheobronchopathia Osteochondroplastica - to Biopsy or not to Biopsy? A Relook at The Rare Disease. J Bronchology Interv Pulmonol. 2024 Jan 1;31(1):57-62. doi: 10.1097/LBR.0000000000000931. PMID: 37249571.

Christopher DJ, Priya N, Shankar D, Isaac B, DeLuca A, Sarkar S, Prakash Babu S, Samuel P, Cattamanchi A, Gupta A, Ellner J, Srinivasan S, Cox S, Thangakunam B. Tuberculin test using Indian indigenous purified-protein derivative (PPD) shows only moderate agreement with international standard PPD. J Clin Tuberc Other Mycobact Dis. 2023 Dec 1;34:100404. doi: 10.1016/j.jctube.2023.100404. PMID: 38174327; PMCID: PMC10761766.

Christopher DJ, Isaac BTJ, John FB, Shankar D, Samuel P, Gupta R, Thangakunam B. Impact of post-COVID-19 lung damage on pulmonary function, exercise tolerance and quality of life in Indian subjects. PLOS Glob Public Health. 2024 Feb 1;4(2):e0002884. doi: 10.1371/journal.pgph.0002884. PMID: 38300923; PMCID: PMC10833535.

Agarwal R, Singh Sehgal I, Muthu V, Denning DW, Chakrabarti A, Soundappan K, Garg M, Rudramurthy SM, Dhooria S, Armstrong-James D, Asano K, Gangneux JP, Chotirmall SH, Salzer HJF, Chalmers JD, Godet C, Joest M, Page I, Nair P, Arjun P, Dhar R, Ram Jat K, Joe G, Krishnaswamy UM, Mathew JL, Nagarjuna Maturu V, Mohan A, Nath A, Patel D, Savio J, Saxena P, Soman R, Thangakunam B, Baxter CG, Bongomin F, Calhoun WJ, Cornely OA, Douglass JA, Kosmidis C, Meis JF, Moss R, Pasqualotto AC, Seidel D, Sprute R, Thurai Prasad K, Aggarwal AN. Revised clinical practice guidelines for diagnosing, classifying, and treating allergic bronchopulmonary aspergillosis/mycoses: a Delphi statement from the ISHAM-ABPA working group. Eur Respir J. 2024 Feb 29:2400061. doi: 10.1183/13993003.00061-2024. Epub ahead of print. PMID: 38423624.

Sinha P, Ponnuraja C, Gupte N, Prakash Babu S, Cox SR, Sarkar S, Mave V, Paradkar M, Cintron C, Govindarajan S, Kinikar A, Priya N, Gaikwad S, Thangakunam B, Devarajan A, Dhanasekaran M, Tornheim JA, Gupta A, Salgame P, Christopher DJ, Kornfeld H, Viswanathan V, Ellner JJ, Horsburgh CR, Gupte AN, Padmapriyadarsini C, Hochberg NS. Impact of Undernutrition on Tuberculosis Treatment Outcomes in India: A Multicenter, Prospective, Cohort Analysis. Clin Infect Dis. 2023 Apr 17;76(8):1483-1491. doi: 10.1093/cid/ciac915. PMID: 36424864; PMCID: PMC10319769.

Moledina, Sibtain M, and Balamugesh Thangakunam. “Bronchoscopic view of post-tuberculosis lung cavity: A case report.” SAGE open medical case reports vol. 11 2050313X231201720. 28 Sep. 2023, doi:10.1177/2050313X231201720

Mohan A, Madan K, Hadda V, Mittal S, Suri T, Shekh I, Guleria R, Khader A, Chhajed P, Christopher DJ, Swarnakar R, Agarwal R, Aggarwal AN, Aggarwal S, Agrawal G, Ayub II, Bai M, Baldwa B, Chauhan A, Chawla R, Chopra M, Choudhry D, Dhar R, Dhooria S, Garg R, Goel A, Goel M, Goyal R, Gupta N, Manjunath BG, Iyer H, Jain D, Khan A, Kumar R, Koul PA, Lall A, Arunachalam M, Madan NK, Mehta R, Loganathan N, Nath A, Nangia V, Nene A, Patel D, Pattabhiraman VR, Raja A, Rajesh B, Rangarajan A, Rathi V, Sehgal IS, Shankar SH, Sindhwani G, Singh PK, Srinivasan A, Talwar D, Thangakunam B, Tiwari P, Tyagi R, Chandra VN, Sharada V, Vadala R, Venkatnarayan K. Guidelines for endobronchial ultrasound-transbronchial needle aspiration (EBUS-TBNA): Joint Indian Chest Society (ICS)/Indian Association for Bronchology (IAB) recommendations. Lung India. 2023 Jul-Aug;40(4):368-400. doi: 10.4103/lungindia.lungindia_510_22. PMID: 37417095; PMCID: PMC10401980.

Christopher DJ, Gupta R, Thangakunam B, Daniel J, Jindal SK, Kant S, Chhajed PN, Gupta KB, Dhooria S, Chaudhri S, Chaudhry D, Patel D, Mehta R, Chawla RK, Srinivasan A, Kumar A, Bal SK, James P, Roger JS, Nair AA, Katiyar SK, Agarwal R, Dhar R, Aggarwal AN, Samaria JK, Behera D, Madan K, Singh RB, Luhadia SK, Sarangdhar N, Souza G, Nene A, Paul A, Varghese V, Rajagopal TV, Arun M, Nair S, Roy DA, Williams BE, Christopher SA, Subodh DV, Sinha N, Isaac B, Oliver AA, Priya N, Deva J, Chandy ST, Kurien RB. Pleural effusion guidelines from ICS and NCCP Section 1: Basic principles, laboratory tests and pleural procedures. Lung India. 2024 May 1;41(3):230-248. doi: 10.4103/lungindia.lungindia_33_24. Epub 2024 Apr 30. PMID: 38704658.

Prakash Babu S, Ezhumalai K, Raghupathy K, Karoly M, Chinnakali P, Gupte N, Paradkar M, Devarajan A, Dhanasekaran M, Thiruvengadam K, Dauphinais MR, Gupte AN, Shivakumar SB, Thangakunam B, Christopher DJ, Viswanathan V, Mave V, Gaikwad S, Kinikar A, Kornfeld H, Horsburgh CR, Chandrasekaran P, Hochberg NS, Salgame P, Gupta A, Roy G, Ellner J, Sinha P, Sarkar S. Factors Associated With Unfavorable Treatment Outcomes Among Persons With Pulmonary Tuberculosis: A Multicentric Prospective Cohort Study From India. Clin Infect Dis. 2024 Oct 15;79(4):1034-1038. doi: 10.1093/cid/ciae367. PMID: 38991034; PMCID: PMC11478802.

Sinha P, Ezhumalai K, Du X, Ponnuraja C, Dauphinais MR, Gupte N, Sarkar S, Gupta A, Gaikwad S, Thangakunam B, Paradkar M, Christopher DJ, Mave V, Viswanathan V, Ellner JJ, Kornfeld H, Horsburgh CR Jr, Padmapriyadarsini C, Gupte A. Undernourished Household Contacts Are at Increased Risk of Tuberculosis (TB) Disease, but not TB Infection-a Multicenter Prospective Cohort Analysis. Clin Infect Dis. 2024 Jul 19;79(1):233-236. doi: 10.1093/cid/ciae149. PMID: 38652286; PMCID: PMC11259213.

Kataria A, Daniel J, Isaac B, Thangakunam B, Illimoottil JP, Karuppusami R, Christopher DJ. Predictors of depression in asthma patients in an Indian referral hospital. PLoS One. 2026 Jan 2;21(1):e0338126. doi: 10.1371/journal.pone.0338126. PMID: 41481670; PMCID: PMC12758758.

Marimuthu PK, Georgy JT, Philip DSJ, John AO, Joel A, Thumaty DB, Chacko RT, Jambunathan P, Thomas Z, Harikrishna K, Isiah R, Pavamani SP, Sasidharan B, Mathew M, Alex Kodiatte T, Irodi A, Thangakunam B, Isaac BTJ, Gupta R, Rani J, Singh A. Real-World Outcomes of Induction Chemotherapy With or Without Low-Dose Nivolumab for Stage III Non-Small Cell Lung Cancer Ineligible for Up-Front Local Therapy: A Propensity Score-Matched Analysis. JCO Glob Oncol. 2025 Mar;11:e2400256. doi: 10.1200/GO-24-00256. Epub 2025 Mar 24. PMID: 40127380.

handy, S.T., Thangakunam, B., Rudraraju, G. et al. Identification of respiratory diseases using peak energy analysis of acoustic cough. Egypt J Bronchol 19, 138 (2025). https://doi.org/10.1186/s43168-025-00486-z

Isaac B, Alexander C, John R, Barney A, Thangakunam B, Christopher DJ. Prevalence and predictors of obesity hypoventilation syndrome in an Indian cohort with obstructive sleep apnea. Sci Rep. 2025 Jul 2;15(1):23474. doi: 10.1038/s41598-025-08953-9. PMID: 40604052; PMCID: PMC12223257.