• Dr. Ahmed came to UAB in November 2015 as an Assistant Professor of Medicine in Interventional Endoscopy in the Basil I. Hirschowitz Center of Endoscopic Excellence. He received his training in Advanced Endoscopy at Yale University after completing his fellowship in gastroenterology at SUNY Downstate Medical Center and residency in internal medicine at Columbia University.  He obtained his medical degree at SUNY Buffalo. He serves as the Director of Advanced GI at UAB's Pancreatobiliary Disease Center. His research and clinical interests include the management of complex pancreatobiliary diseases and cancer, walled off pancreatic necrosis, pancreatic cysts, obesity, management of fistulas, perforations and leaks as well as awareness of pancreatic and colon cancer.
  • Selected Publications

    Academic Article

    Year Title Altmetric
    2022 Peutz-Jeghers polypectomy in the small bowel using ligate-and-let-go techniqueEndoscopy.  54:E558-E559. 2022
    2022 Direct percutaneous endoscopic jejunostomy tube placement in patients post Roux-en-Y gastric bypass, a single tertiary care center experience.Endoscopy International Open.  10:E1282-E1290. 2022
    2022 Role of balloon enteroscopy for obscure gastrointestinal bleeding in those with surgically altered anatomy: A systematic review.World Journal of Gastrointestinal Endoscopy.  14:434-442. 2022
    2022 Enterocutaneous fistula closure using a balloon-assisted enteroscope preloaded with an over-the-scope clip - Narrowing the gapEndoscopy.  54:E158-E159. 2022
    2022 New and emerging technology in the diagnosis and treatment of pancreatic cystsTranslational gastrointestinal cancer.  7. 2022
    2022 Extreme endoscopy: Direct jejunostomy, re-anastomosis of bowel, percutaneous assisted transprosthetic endoscopic drainage in Roux-en-Y gastric bypassEndoscopy.  54:E13-E14. 2022
    2022 Small bowel melanoma: A double balloon enteroscopy case seriesEndoscopy2022
    2021 Impact of COVID-19 on gastroenterology fellowship training: a multicenter analysis of endoscopy volumes.Endoscopy International Open.  9:E1572-E1578. 2021
    2021 New and Emerging Technology in the Diagnosis and Treatment of Pancreatic CystsTranslational Gastroenterology and Hepatology.  1-9. 2021
    2021 New and emerging technology in the diagnosis and treatment of pancreatic cystsTranslational gastrointestinal cancer.  0:0-0. 2021
    2020 Endoscopic therapy for bleeding small-bowel venous malformationsVideogie.  5:492-493. 2020
    2020 Endoscopic ultrasound-guided drainage of pancreatic walled-off necrosis using 20-mm versus 15-mm lumen-apposing metal stents: An international, multicenter, case-matched studyEndoscopy.  52:211-219. 2020
    2019 Safety and efficacy of the use of lumen-apposing metal stents in the management of postoperative fluid collections: A large, international, multicenter studyEndoscopy.  51:715-721. 2019
    2018 Molecular analysis of pancreatic cyst fluid changes clinical management.Endoscopic Ultrasound.  7:29-33. 2018
    2017 Fine-needle aspiration findings of a rare hematopoietic neoplasm presenting as obstructive jaundiceDiagnostic Cytopathology.  45:1142-1147. 2017
    2017 A rare finding of colonic malakoplakiaPractical gastroenterology.  41:52-66. 2017
    2017 Overtube-assisted EUS with FNA for esophageal stenosisGastrointestinal Endoscopy.  86:243-244. 2017
    2017 Overtube-assisted EUS with FNA for esophageal stenosisVideogie.  2:141-142. 2017
    2017 Endoscopic retrograde cholangiopancreatography cannulation in the difficult duct: Which technique should you pull out of your bag?Digestive Endoscopy.  29:149-151. 2017
    2016 Endoscopic removal of a mesh penetrating into the esophagus using overtube-assisted endoscopy, fully covered metal stent, and over-the-scope clipGastrointestinal Endoscopy.  84:523. 2016
    2016 Confocal laser endomicroscopy features of sessile serrated adenomas/polyps.United European Gastroenterology Journal.  4:599-603. 2016
    2015 Is Advanced Endoscopy Training Worth It?Clinical Gastroenterology and Hepatology.  13:1218-1220. 2015
    2003 Living donor liver transplantation in a patient with hepatic epithelioid hemangioendothelioma [2]Journal of Clinical Gastroenterology.  37:349-350. 2003
    2003 Prophylaxis against chemotherapy-induced reactivation of hepatitis B virus infection with lamivudineJournal of Clinical Gastroenterology.  37:68-71. 2003
    1991 Evidence for proximal control of ligand specificity in hemeproteins: Absorption and Raman studies of cryogenically trapped photoproducts of ligand bound myoglobinsChemical Physics.  158:329-351. 1991

    Research Overview

  • Therapeutic endoscopy
    Pancreatobiliary Cancer
    Pancreatic Necrosis
    Pancreatic Cysts
  • Principal Investigator On

    Education And Training

  • North Shore University Hospital Medicine, Internship
  • NYP/Columbia University Medical Center Medicine, Residency
  • SUNY Downstate Medical Center, Postdoctoral Fellowship
  • Yale University School of Medicine School of Medicine, Postdoctoral Fellowship
  • Doctor of Medicine, State University of New York System : Buffalo 2008
  • Full Name

  • Ali Ahmed