Dutta AK, Sajith KG, Shah G, Pulimood AB, Simon EG, Joseph AJ, Chacko A. Duodenal villous morphology assessed using magnification narrow band imaging correlates well with histology in patients with suspected malabsorption syndrome. Dig Endosc. 2014 Nov;26(6):720-5. doi: 10.1111/den.12285. Epub 2014 Mar 26. PMID: 24666384.

Goel A, Dutta AK, Pulimood AB, Eapen A, Chacko A. Clinical profile and predictors of disease behavior and surgery in Indian patients with Crohn's disease. Indian J Gastroenterol. 2013 May;32(3):184-9. doi: 10.1007/s12664-012-0293-y. Epub 2013 Feb 16. PMID: 23417764.

Immunization Survey Group. Awareness, utilization and cost of newer childhood vaccines in a lower middle and middle class urban population of Vellore Town, South India. Immunization Survey Group. Indian Pediatr. 1999 Sep;36(9):954-5. PMID: 10744884.

Bharath Kumar C, Chowdhury SD, Ghatak SK, Sreekar D, Kurien RT, David D, Dutta AK, Simon EG, Joseph AJ. Immediate and long-term outcome of corrosive ingestion. Indian J Gastroenterol. 2019 Aug;38(4):356-361. doi: 10.1007/s12664-019-00978-z. Epub 2019 Oct 23. PMID: 31643028.

Chowdhury SD, Kurien RT, Pal S, Jeyaraj V, Joseph AJ, Dutta AK, Chandramohan A, Abraham D, Augustine J, Hephzibah J, Simon EG. Acute pancreatitis and hyperparathyroidism: a case series. Indian J Gastroenterol. 2014 Mar;33(2):175-7. doi: 10.1007/s12664-013-0430-2 . Epub 2014 Jan 14. PMID: 24419705.

Sahu MK, Chacko A, Dutta AK, Prakash JA. Microbial profile and antibiotic sensitivity pattern in acute bacterial cholangitis. Indian J Gastroenterol. 2011 Sep;30(5):204-8. doi: 10.1007/s12664-011-0135-3. Epub 2011 Oct 18. PMID: 22006165.

Dutta AK, Sajith KG, Shah G, Pulimood AB, Simon EG, Joseph AJ, Chacko A. Duodenal villous morphology assessed using magnification narrow band imaging correlates well with histology in patients with suspected malabsorption syndrome. Dig Endosc. 2014 Nov;26(6):720-5. doi: 10.1111/den.12285. Epub 2014 Mar 26. PMID: 24666384.

Goel A, Dutta AK, Pulimood AB, Eapen A, Chacko A. Clinical profile and predictors of disease behavior and surgery in Indian patients with Crohn's disease. Indian J Gastroenterol. 2013 May;32(3):184-9. doi: 10.1007/s12664-012-0293-y. Epub 2013 Feb 16. PMID: 23417764.

Immunization Survey Group. Awareness, utilization and cost of newer childhood vaccines in a lower middle and middle class urban population of Vellore Town, South India. Immunization Survey Group. Indian Pediatr. 1999 Sep;36(9):954-5. PMID: 10744884.

Bharath Kumar C, Chowdhury SD, Ghatak SK, Sreekar D, Kurien RT, David D, Dutta AK, Simon EG, Joseph AJ. Immediate and long-term outcome of corrosive ingestion. Indian J Gastroenterol. 2019 Aug;38(4):356-361. doi: 10.1007/s12664-019-00978-z. Epub 2019 Oct 23. PMID: 31643028.

Chowdhury SD, Kurien RT, Pal S, Jeyaraj V, Joseph AJ, Dutta AK, Chandramohan A, Abraham D, Augustine J, Hephzibah J, Simon EG. Acute pancreatitis and hyperparathyroidism: a case series. Indian J Gastroenterol. 2014 Mar;33(2):175-7. doi: 10.1007/s12664-013-0430-2 . Epub 2014 Jan 14. PMID: 24419705.

Sahu MK, Chacko A, Dutta AK, Prakash JA. Microbial profile and antibiotic sensitivity pattern in acute bacterial cholangitis. Indian J Gastroenterol. 2011 Sep;30(5):204-8. doi: 10.1007/s12664-011-0135-3. Epub 2011 Oct 18. PMID: 22006165.

Patil AP, Simon EG, Dutta AK, Joseph AJ, Kurien RT, Chowdhury SD. Prevalence of serological markers of hepatitis B in inflammatory bowel disease - Experience from a tertiary care centre in South India. Trop Doct. 2021 May 21:494755211015571. doi: 10.1177/00494755211015571. Epub ahead of print. PMID: 34018886.

Arulprakash S, Sahu MK, Dutta AK, Joseph A, Chandy GM. Pancreatic ascariasis with periampullary carcinoma. Trop Parasitol. 2015 Jan-Jun;5(1):55-7. doi: 10.4103/2229-5070.145590. PMID: 25709954; PMCID: PMC4326995.

Dutta AK, Mitchell-Hay R, Baio G, Phull PS. Clinically significant findings in patients with focal incidental colorectal abnormalities on positron emission tomography-CT scans. J Med Imaging Radiat Oncol. 2021 Oct 5. doi: 10.1111/1754-9485.13338. Epub ahead of print. PMID: 34609070.

Dutta AK, Chacko A. Emerging role of narrow band imaging in duodenum. World J Gastrointest Endosc. 2015 Nov 10;7(16):1216-21. doi: 10.4253/wjge.v7.i16.1216. PMID: 26566428; PMCID: PMC4639743.

Avinash B, Dutta AK, Chacko A. Pediatric inflammatory bowel disease in South India. Indian Pediatr. 2009 Jul;46(7):639-40. PMID: 19638665.

Chowdhury SD, Chacko A, Ramakrishna BS, Dutta AK, Augustine J, Koshy AK, Simon EG, Joseph AJ. Clinical profile and outcome of chronic pancreatitis in children. Indian Pediatr. 2013 Nov 8;50(11):1016-9. doi: 10.1007/s13312-013-0281-z. Epub 2013 May 5. PMID: 23798627.

Jose SK, Simon B, Simon EG, Eapen A, John RA, Putta T, Dutta AK, Pulimood AB. Comparison of Magnetic Resonance Enterography Global Score (MEGS) with indices of Crohn's disease activity in South Asian population. Abdom Radiol (NY). 2022 Feb;47(2):547-553. doi: 10.1007/s00261-021-03381-5. Epub 2021 Dec 27. PMID: 34958408.

Dutta AK, Chacko A, Avinash B. Suboptimal performance of IgG anti-tissue transglutaminase in the diagnosis of celiac disease in a tropical country. Dig Dis Sci. 2010 Mar;55(3):698-702. doi: 10.1007/s10620-009-0789-1. Epub 2009 Mar 31. PMID: 19333755.

Singh SP, Ahuja V, Ghoshal UC, Makharia G, Dutta U, Zargar SA, Venkataraman J, Dutta AK, Mukhopadhyay AK, Singh A, Thapa BR, Vaiphei K, Sathiyasekaran M, Sahu MK, Rout N, Abraham P, Dalai PC, Rathi P, Sinha SK, Bhatia S, Patra S, Ghoshal U, Poddar U, Mouli VP, Kate V. Management of Helicobacter pylori infection: The Bhubaneswar Consensus Report of the Indian Society of Gastroenterology. Indian J Gastroenterol. 2021 Aug;40(4):420-444. doi: 10.1007/s12664-021-01186-4. Epub 2021 Jul 5. PMID: 34219211.

Dutta AK, Zachariah UG, Sajith KG, Balekuduru A, Sahu MK, Chowdhury SD, Chacko A. Asymptomatic portal hypertension incidentally detected during upper gastrointestinal endoscopy. Trop Gastroenterol. 2013 Jan-Mar;34(1):36-7. doi: 10.7869/tg.2012.89. PMID: 23923373.

Balekuduru A, Dutta AK, Subbaraj SB. Endoscopic ultrasound-guided transoral drainage of parapharyngeal abscess. Dig Endosc. 2016 Nov;28(7):756. doi: 10.1111/den.12696. Epub 2016 Aug 8. PMID: 27411396.

Dutta AK, Paulose BK, Danda S, Alexander S, Tamilarasi V, Omprakash S. Recurrent truncating mutations in alanine-glyoxylate aminotransferase gene in two South Indian families with primary hyperoxaluria type 1 causing later onset end-stage kidney disease. Indian J Nephrol. 2016 Jul-Aug;26(4):288-90. doi: 10.4103/0971-4065.171244. PMID: 27512303; PMCID: PMC4964691.

Singh A, Mahajan R, Kedia S, Dutta AK, Anand A, Bernstein CN, Desai D, Pai CG, Makharia G, Tevethia HV, Mak JW, Kaur K, Peddi K, Ranjan MK, Arkkila P, Kochhar R, Banerjee R, Sinha SK, Ng SC, Hanauer S, Verma S, Dutta U, Midha V, Mehta V, Ahuja V, Sood A. Use of thiopurines in inflammatory bowel disease: an update. Intest Res. 2021 Apr 15. doi: 10.5217/ir.2020.00155. Epub ahead of print. PMID: 33845546.

Gupta YK, Singh A, Narang V, Midha V, Mahajan R, Mehta V, Singh D, Bansal N, Durairaj MVB, Dutta AK, Sood A. Clinical spectrum of elderly-onset inflammatory bowel disease in India. Intest Res. 2023 Apr;21(2):216-225. doi: 10.5217/ir.2021.00177. Epub 2022 Aug 8. PMID: 35929090; PMCID: PMC10169519.

Adams JS, Raju R, Solomon V, Samuel P, Dutta AK, Rose JS, Tharyan P. Increasing compliance with protective eyewear to reduce ocular injuries in stone-quarry workers in Tamil Nadu, India: a pragmatic, cluster randomised trial of a single education session versus an enhanced education package delivered over six months. Injury. 2013 Jan;44(1):118-25. doi: 10.1016/j.injury.2011.10.001. Epub 2011 Nov 8. PMID: 22075447.

Vijayalekshmi B, Sharma A, Prabhu SB, Nair SC, Mammen J, Goel A, Zachariah UG, Dutta AK, Balasubramanian KA, Elias E, Eapen CE. Reticuloendothelial activation correlates with disease severity and predicts mortality in severe alcoholic hepatitis. Eur J Gastroenterol Hepatol. 2021 Dec 1;33(1S Suppl 1):e329-e334. doi: 10.1097/MEG.0000000000002056. PMID: 33470708.

Avinash Bhat Balekuduru, Jayakanthan Kabeerdoss, Balakrishnan Siddartha Ramakrishna, Srinivasan Pugazhendhi, Prabavathi Devaraj, Ruchika Goel, Amit Kumar Dutta, Debashish Danda. Alterations in fecal microbiota in patients with inflammatory bowel disease and enteropathic arthropathy. Gastroenterol Hepatol Pract 2021;1:103-10.DOI:10.4103/ghep.ghep_30_20

Dutta AK, Phull PS. Treatment of Helicobacter pylori infection in the presence of penicillin allergy. World J Gastroenterol. 2021 Nov 28;27(44):7661-7668. doi: 10.3748/wjg.v27.i44.7661. PMID: 34908805; PMCID: PMC8641050.

Sairam P S, Jaleel R, Dutta AK, Padmanabhan A. Spontaneous rupture of splenic artery pseudoaneurysm into walled-off pancreatic necrosis – A rare cause of recurrent hematochezia. Gastroenterol Hepatol Endosc Pract 2022;2:33-5. DOI: 10.4103/ghep.ghep_38_21

Amit Kumar Dutta Are we Missing Barrett's Esophagus in Our Busy Endoscopy Practice? Improving Detection. Journal of Digestive Endoscopy 2022; 13(01): 036-043. DOI https://doi.org/10.1055/s-0041-1741465. Link

Chatterjee K, Dutta AK, Goel A, Aaron R, Balakrishnan V, Thomas A, John A, Jaleel R, David D, Kurien RT, Chowdhury SD, Simon EG, Joseph AJ, Premkumar P, Pulimood AB. Common polymorphisms of protein tyrosine phosphate non-receptor type 2 gene are not associated with risk of Crohn's disease in Indian. World J Gastrointest Pathophysiol. 2022 Jul 22;13(4):114-123. doi: 10.4291/wjgp.v13.i4.114. PMID: 36161231; PMCID: PMC9350595.

Dutta AK, Chacko A. Head mass in chronic pancreatitis: Inflammatory or malignant. World J Gastrointest Endosc. 2015 Mar 16;7(3):258-64. doi: 10.4253/wjge.v7.i3.258. PMID: 25789097; PMCID: PMC4360445.

Kurien RT, Chowdhury SD, Unnikrishnan LS, Simon EG, Dutta AK, Mahanta K, Alex T, Joseph AJ. Endoscopic treatment of a duodenal duplication cyst. Endoscopy. 2014;46 Suppl 1 UCTN:E583-4. doi: 10.1055/s-0034-1377551. Epub 2014 Dec 11. PMID: 25502250.

Simon EG, Chacko A, Dutta AK, Joseph AJ, George B. Acute nonvariceal upper gastrointestinal bleeding--experience of a tertiary care center in southern India. Indian J Gastroenterol. 2013 Jul;32(4):236-41. doi: 10.1007/s12664-013-0305-6. Epub 2013 Mar 26. PMID: 23526425.

Dutta AK, Goel A, Kirubakaran R, Chacko A, Tharyan P. Nasogastric versus nasojejunal tube feeding for severe acute pancreatitis. Cochrane Database Syst Rev. 2020 Mar 26;3(3):CD010582. doi: 10.1002/14651858.CD010582.pub2. PMID: 32216139; PMCID: PMC7098540.

Choudhury A, Jena A, Jearth V, Dutta AK, Makharia G, Dutta U, Goenka M, Kochhar R, Sharma V. Vitamin B12 deficiency and use of proton pump inhibitors: a systematic review and meta-analysis. Expert Rev Gastroenterol Hepatol. 2023 May;17(5):479-487. doi: 10.1080/17474124.2023.2204229. Epub 2023 Apr 19. PMID: 37060552.

Dutta AK, Uedo N, David D, Chandramohan J, Jain A, Patnayak I, Gupta P, Ayapati BK, Chatterjee K, Jaleel R, Kurien RT, Chowdhury SD, Simon EG, Joseph AJ, Pulimood AB. Image-enhanced endoscopy for real-time differentiation between hyperplastic and fundic gland polyps in the stomach. Indian J Gastroenterol. 2022 Dec;41(6):599-609. doi: 10.1007/s12664-022-01278-9. Epub 2022 Dec 23. PMID: 36562941.

Dsouza R, Varghese G, Korula DR, Dutta AK. Crohn's disease associated adenocarcinoma of ileocaecal region: a miscalculated approach. BMJ Case Rep. 2020 Apr 16;13(4):e234512. doi: 10.1136/bcr-2020-234512. PMID: 32303529; PMCID: PMC7199119.

John A, Chowdhury SD, Kurien RT, David D, Dutta AK, Simon EG, Abraham V, Joseph AJ, Samarasam I. Self-expanding metal stent in esophageal perforations and anastomotic leaks. Indian J Gastroenterol. 2020 Oct;39(5):445-449. doi: 10.1007/s12664-020-01078-z. Epub 2020 Oct 1. PMID: 33001339.

Mahajan R, Kurien RT, Joseph AJ, Dutta AK, Chowdhury SD. Squamous papilloma of esophagus. Indian J Gastroenterol. 2016 Mar;35(2):151. doi: 10.1007/s12664-016-0642-3. PMID: 27138928.

Kumbhar G, Dhar Chowdhury S, Benjamin S, Kurien RT, Thomas A, Dutta A, Simon EG, Joseph AJ. Pregnancy Outcomes in Patients with Early-Onset Idiopathic Chronic Pancreatitis. Dig Dis Sci. 2023 Nov 20. doi: 10.1007/s10620-023-08174-y. Epub ahead of print. PMID: 37985535.

Chowdhury SD, Kurien RT, Ramachandran A, Joseph AJ, Simon EG, Dutta AK, David D, Kumar C B, Samuel P, Balasubramaniam KA. Pancreatic exocrine insufficiency: Comparing fecal elastase 1 with 72-h stool for fecal fat estimation. Indian J Gastroenterol. 2016 Nov;35(6):441-444. doi: 10.1007/s12664-016-0714-4. Epub 2016 Nov 23. PMID: 27878466.

Dutta AK, Jain A, Jearth V, Mahajan R, Panigrahi MK, Sharma V, Goenka MK, Kochhar R, Makharia G, Reddy DN, Kirubakaran R, Ahuja V, Berry N, Bhat N, Dutta U, Ghoshal UC, Jain A, Jalihal U, Jayanthi V, Kumar A, Nijhawan S, Poddar U, Ramesh GN, Singh SP, Zargar S, Bhatia S. Guidelines on optimizing the use of proton pump inhibitors: PPI stewardship. Indian J Gastroenterol. 2023 Oct;42(5):601-628. doi: 10.1007/s12664-023-01428-7. Epub 2023 Sep 12. PMID: 37698821.

Kumar SE, Jaleel R, Varghese T, Praharaj I, Benny S, Chowdhury SD, Thomas R, Simon E, Joseph AJ, Dutta AK. Fecal calgranulin as a potential screening tool to differentiate inflammatory bowel disease from irritable bowel syndrome. Indian J Gastroenterol. 2024 Jan 23. doi: 10.1007/s12664-024-01525-1. Epub ahead of print. PMID: 38261246.

Dutta AK. Indian Journal of Gastroenterology-January-February 2024 issue highlights. Indian J Gastroenterol. 2024 Feb 19. doi: 10.1007/s12664-024-01547-9. Epub ahead of print. PMID: 38372945.

Dutta AK. Choosing optimum regimen for treating Helicobacter pylori infection: Regional data may be the quintessential guide. Indian J Gastroenterol. 2023 Aug;42(4):448-451. doi: 10.1007/s12664-023-01425-w. PMID: 37466880.

George JT, Thomas A, Jaleel R, Paul GJS, John A, Kurien RT, Chowdhury SD, Simon EG, Joseph AJ, Dutta AK. Bile Culture May Guide Antibiotic Stewardship in Acute Bacterial Cholangitis. Dig Dis Sci. 2024 Mar 8. doi: 10.1007/s10620-024-08289-w. Epub ahead of print. PMID: 38457116.

Das, P., Sakhuja, P., Singh, A. et al. Histological interpretation and reporting of intestinal mucosal biopsies in suspected cases of inflammatory bowel disease: Joint IAPM-ISG-CCFI Working Group Recommendations. Indian J Gastroenterol (2026). https://doi.org/10.1007/s12664-025-01911-3

George JT, Jaleel R, Dutta AK, Janeela A, Rao NV, Thomas A, John A, Joseph AJ, Kurien RT, Simon EG, Chowdhury SD. Prevalence of sexual dysfunction among men with irritable bowel syndrome. Frontline Gastroenterol. 2026 Jan 30;flgastro-2025-103520. doi:10.1136/flgastro-2025-103520

Dutta AK, Chinthala H, George JT, Thomas DM, Joseph Joseph A. Anemia in inflammatory bowel disease-A comprehensive review. Indian J Gastroenterol. 2025 Aug;44(4):430-442. doi: 10.1007/s12664-024-01735-7. Epub 2025 Feb 15. PMID: 39954228.

Benny S, Mathews NV, Thomas A, John A, Kurien RT, Chowdhury SD, Dutta AK, Simon EG, Joseph AJ, Jaleel R. Abbreviated anorectal biofeedback therapy is beneficial in symptomatic improvement of functional defecatory disorder. Indian J Gastroenterol. 2026 Aug;45(4):767-769. doi: 10.1007/s12664-025-01752-0. PMID: 40072833. Link