Tsiotos Grigorios

Tsiotos Grigorios General Surgeon

Director, 1st Surgery Clinic

Education & Academic Qualifications

  • Assistant Professor of Surgery, University of Missouri, USA
  • Instructor in Surgery, Mayo Clinic, USA
  • Hepato-Pancreato-Biliary Surgery Fellowship, Mayo Clinic, USA
  • General Surgery Residency, Mayo Clinic, USA
  • M.D. : Aristotelian University of Thessaloniki, Greece

Board Member

  • Society for Surgery of the Alimentary Tract – SSAT (since 1996)
  • Pancreas Club (since 1996)
  • European Digestive Surgery – EDS (since 1997)
  • American Hepato-Pancreato-Biliary Association – AHPBA (since 1996)
  • Greek Society for Digestive Surgery (since 2001, founding member)

Editorial Boards

  • Pancreatology
  • Hellenic Journalof Surgery
  • Digestive Surgery

AD-HOC REVIEWER for peer-reviewed international journals

  • Pancreatology
  • Surgery
  • Digesrtive Surgery
  • British Journal of Surgery
  • Hellenic Journal of Surgery
  • World Journal of Surgery

Professional Experience

  • Director, Division of Upper Gastrointestinal Surgery, Truman Medical Center, Uni-versity of Missouri, USA. (Jan. 1998 – March 2000)
  • Director, Dept. of Oncologic & Laparoscopic Surgery, Metropolitan Hospital, Athens, Greece. (May 2001 – May 2013)

Education Experience

  • Assistant Professor of Surgery, University of Missouri, USA (Jan. 1998 – March 2000)
  • Instructor in Surgery, Mayo Clinic, USA (July 1997 – Dec. 1998)

Clinical and Research Interest

Clinical Interest:

  • Upper Gastrointestinal
  • Pancreas
  • Liver
  • Laparoscopic Surgery
  • Borderline Resectable Pancreatic Cancer
  • Metastatic Liver Disease
  • Portal Vein Resection
  • Oncologic Surgery

Research Interest:

  • Borderline Resectable Pancreatic Cancer
  • Portal Vein Resection
  • Necrotizing Pancreatitis


  • «Nygaard Travel Award for Clinical Research” – Mayo Clinic, 1995
  • «Teacher of the Year» – Dept of Surgery, Univ. Of Missouri, 1999


  • Tsiotos GG: Obstructive Jaundice: Preoperative Evaluation. In: The Practice of General Surgery, edited by K.I. Bland. W.B. Saunders, Philadelphia, 2002, pp: 764-770  (ISBN: 0-7216-8476-9)
  • Tsiotos GG, Sarr MG: Diagnosis of pancreatic cancer. In: Surgical Diseases of the Pancreas, edited by Howard JM, Idezuki I, Ihse I, Prinz RA. Williams & Wilkins, Media, PA, 1998, pp: 497-515
  • Sarr MG, Tsiotos GG: Necrosectomy for acute necrotizing pancreatitis. In: Mastery of Surgery (4th edition), edited by R.J. Baker and J.E. Fisher. Lippincott Williams & Wilkins, Philadelphia, PA, 2001, pp: 1281-1287
  • Chang C, Tsiotos GG: Laparoscopic Common Bile Duct Exploration. In: The Practice of General Surgery, edited by K.I. Bland. W.B. Saunders, Philadelphia, 2002, pp: 853-857  (ISBN: 0-7216-8476-9)
  • Tsiaoussis J, Tsiotos GG: Gastroenterostomy. In: Atlas of Upper Abdominal Surgery, Edited by P.A. Clavien, M.G. Sarr, Y. Fong. Springer-Verlag GmbH & Co. KG, Berlin Heidelberg 2007, pp: 221-226  (ISBN: 978-3-540-20004-8)
  • Tsiotos GG, Sarr MG: Necrotizing pancreatitis: Staged relaparotomy and open treatment. In: Acute Pancreatitis – Novel Concepts in Biology and Therapy, edited by M. Buchler, W. Uhl, H. Friess, P. Malfertheiner. Blackwell Science, London, 1999, pp: 459-463
  • Tsiotos GG, Sarr MG: Pancreatic necrosis: Surgical management and long-term outcome. In: The Pancreas, edited by J.D. Wig. Azad Offset Printers, Chandigarh, India, 2000, pp: 260-277
  • Tsiotos GG: Preoperative evaluation of the periampullary mass. In: Pancreatic Tumors: Achievements and Perspectives, edited by Ch. Dervenis. Georg Thieme Verlag, Stutgart, 2000, pp: 80-99
  • Tsiotos GG: Natural history of Idiopathic Chronic Pancreatitis. In: Chronic Pancreatitis – Novel Concepts in Biology and Therapy, edited by M.W. Buchler, H. Friess, W. Uhl, P. Malfertheiner. Blackwell Science, Oxford, 2002, pp: 316-324
  • Tsiotos GG, Tsiaoussis J. Pancreatic and intestinal fistulas. In: Diseases of the Pancreas – Current Surgical Therapy.
    Edited by: H.G. Beger, S. Matsuno, J.L. Cameron. Springer.

Recent Publications

  • Sarr MG, Banks PA, Bollen TL, Dervenis C, Gooszen HG, Johnson CD, Tsiotos GG, Vege SS. The new revised classification of acute pancreatitis 2012. Surg Clin North Am. 2013 Jun; 93(3):549-62.
  • Banks PA, Bollen TL, Dervenis C, Gooszen HG, Johnson CD, Sarr MG, Tsiotos GG, Vege SS. Classification of acute pancreatitis – 2012: revision of the Atlanta classification and definitions by international consensus. Gut. 2013 Jan; 62(1):102-11
  • Sakorafas GH, Tsiotos GG, Korkolis D, Smyrniotis V. Individuals at high-risk for pancreatic cancer development: Management options and the role of sur-gery. Surg Oncol. 2012 Jan 12.
  • Tsiotos GG, Farnell MB, Sarr MG: Are the results of pancreatectomy for pan-creatic cancer really improving? World J Surg 1999; 23: 913-919.
  • Tsiotos GG, Barry MK, Johnson CD, Sarr MG: Pancreas regeneration after re-section: Does it occur in humans? Pancreas 1999; 19(3): 310-313.
    6Tsiotos GG, Schlinkert RT: Laparoscopic splenectomy for Immune Thrombo-cytopenic Purpura. Arch Surg 1997; 132: 642-646.
  • Tsiotos GG, Mullany CJ, Zietlow SP, van Heerden JA: Abdominal complica-tions following cardiac surgery. Am J Surg 1994; 167:553-557.
  • Tsiotos GG, Farnell MB, Ilstrup D: Nonmeckelian jejunoilial diverticulosis. Surgery 1994; 116: 726-732.
  • Tsiotos GG, Nagorney DM, de Groen PC: Selective management of hepatic venous outflow obstruction. J Gastrointest Surg 1997; 1: 377-385.
  • Tsiotos GG, Luque-de Leon E, Soreide JA, Bannon MP, Zietlow SP, Baerga-Varela Y, Sarr MG: Management of necrotizing pancreatitis by repeated op-erative necrosectomy using the zipper technique. Am J Surg 1998; 175: 91-98

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