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International Publications

  • G.Chattopadhyay,M.Oya,D.Kumar,C pillingham,MRB Keighley
    Changes in the pH of ileal pouch after restorative colectomy. European Journal of gastroenterology and Hepatology. 1992,Vol 4:529-532.
  • G Chattopadhyay,M Newbold,and D Kumar.
    Anal transition zone and distribution of neuroendocrine cells in the anorectum. Digestive Surgery 1993,Vol 10 : 29-32.
  • G Chattopadhyay, M Oya, D Kumar, MRB Keighley .
    Prolonged and ambulant pH monitoring of the ileal pouch after restorative proctocolectomy. British journal of Surgery. 1991,78:740. (Abstract).
  • G Chattopadhyay, D Kumar, MRB Keighley, M Oya
    Ileal pouch: ambulatory mechanism for evacuation.Gut. 1990,31: A 1171. (Abstract).
  • Ortiz J, Oya M, Aspere J, Chattopadhyay G, Keighley MRB.
    Predictive value of funnel deformity in idiopathic faecal incontinence. Gut. 1990; 31 : A 1174. (Abstract)
  • Ortiz J,Oya M, Aspere J, Chattopadhyay G, Keighley MRB.
    Video proctographic studies suggest that an anterior repair may be the optimum surgical treatment in neuropathic faecal incontinence. British journal of Surgery. 1991 ; 78 :745.(Abstract).
  • Gautam Chattopadhyay, Dipankar Ray, Saurav Chakravarty , Subhayan Mandal.
    Leiomyosarcoma of rectum and anal canal -a diagnostic challenge: A review. World Journal of Colorectal Surgery 2008 Volume 1, Issue 1 Article 14
  • Saurav Chakravartty, Gautam Chattopadhyay, Dipankar Ray, Chandan Roy Choudhury, and Subhayan Mandal
    Concomitant Tuberculosis and Carcinoma Colon: Coincidence or Causal Nexus? Saudi J Gastroenterol. Oct 2010; 16(4): 292–294.
  • Bibhas Roy, Gautam Chatopadhyay, Debasish Mishra, Tamal Das, Suman Chakraborty, Tapas K Maity.
    On chip lectin microarray for glycoprofiling of different gastritis types and gastric cancer. Biomicrofluidics. 2014 May 6; 8(3)034107, Epub2014 June 6.
  • A video proctographic Assessment of the Changes in Pelvic Floor Function followinh Three forms of Repair of Post – Obstetric Neuropathic Faecal Incontinence.
    Masatoshi Oya, J.Ortiz, E.A Grant, Gautam Chattopadhyay, MRB Keighley.
    Digestive Surgery 1994, January 11(1):20-24
  • Sukanta Ray, Sumit Sanyal, Khaunish das and Gautam Chattopadhyay.
    Frey Procedure for Chronic pancreatitis in children: Asingle center experience.
    Journal of Paediatric surgery. 2015 July ;50 (11):1850-3 (ISSN:1531-5037)
  • Sukanta Ray, Sumit sanyal, Supriyo Ghatak , Gautam Chattopadhyay.
    Falciform ligament flap for protection of Gastro duodenal artery stump after pancreatico duodenectomy: Asingle center experience.
    Journal of Visceral surgery. 2016 Vol.153.Issue 1, February 2016 Pages 9-13.
  • Out come of surgery for recurrent pyogenic cholangitis: A single center experience.
    Sukanta Ray,Sumit sanyal, Khaunish Das, Gautam Chattopadhyay.
    HPB (Oxford) 2016 Oct: 18 (10) 821-826.

National Publications

  • G Chattopadhyay, K Basu, S Mukhopadhyay, B hazra.
    Gastroduodenal mucosa in peptic ulceration: endoscopic and histological assessment and prevalence of helicobacter like organism. Tropical Gastroenterology. 1997 Vol 18 no 4.
  • B Hazra, S Mukherjee, G Chatterjee, P Chakraborty.
    Association of Helicon bacter pylori with peptic ulcer. Indian Journal of Physiology and allied sciences. 1997 V 1 51 no4.
  • B Hazra, S Bose, B das, G Chatterjee, K Bose.
    Relative incidence of alcoholic cirrhosis and hepatitis B antigen positivity amongst cases of Cirrhosis of liver in Calcutta. Bulletin Calcutta School of tropical medicine. 1996 Vol 44 No 1 & 2.
  • B Hazra,, H das, G Chattopadhyay, S Baul, K Basu.
    Relative frequency of non ulcer dyspepsia amongst all other dyspepsia and its association with helicobacter pylori. Indian Journal of Physiology 1999 Vol 53 no 129-36.
  • S J Baig, S Biswas, S das, K basu, G Chattopadhyay.
    Histopathological changes in gall bladder mucosa in cholelithiasis : correlation with chemical composition of gall stones . Tropical gastroenterology. 2002 ; 23 : 25-27.
  • Gautam Chatterjee, Dipankar Ray, Saurav Chakravorty.
    Partial fistulotomy and multiple stons in high anal fistulae. Indian Journal of Surgery. 2009 August Vol 71 Issue 4 : 218-220.
  • Chattopadhyay G, Ray D, Chakravartty S, Mandal S..
    Formalin instillation for uncontrolled radiation induced haemorrhagic proctitis. Trop Gastroenterol.2009-Dec;31(4):291-4.
  • Dipankar Ray , Gautam Chattopadhyay.
    Surgical management of gastric outlet obstruction due to corrosive injury. Indian journal of surgery. DOI 10,1007/S 12262-013-0969-2. Published online o5 sept. 2013. Original article.

Scientific Presentation

  • British Society of Gastroenterology Southampton 1990.
  • Surgical Research Society London 1991.
  • Indian Society of Gastroenterology 1992.
  • Association of Surgeons of India .
  • Association of Surgical gastroenterology.

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