Gastric Neuroendocrine Tumors (NET): A Mini-Review
A practical mini-review of gastric NETs (carcinoids) covering the three-type classification, endoscopic features, WHO grading, and endoscopic resection strategies — illustrated with a 13-image endoscopic spectrum.
Endoscopic-Fluoroscopic Nasojejunal Feeding Tube Placement Using a Long Biliary Guidewire: A Step-by-Step Technique
A step-by-step technique for placing nasojejunal feeding tubes in patients with stenotic pylorus or duodenum, using an ultraslim scope, long biliary guidewire, and fluoroscopy guidance.
Technical Tips and Tricks in ERCP: Fully Covered Metallic Stent-Assisted Direct Cholangioscopy
TECHNIQUE ARTICLE Direct cholangioscopy using ultraslim endoscopes enables diagnostic and therapeutic interventions of the biliary tract. However, failure rates reach up to 15%, mainly due to cannulation difficulty. We present the novel concept of stent-assisted direct cholangioscopy. Ali Safdar Khan, MD, MSPH Division of Gastroenterology, Baptist Health, Little Rock, Arkansas, USA Klaus Mönkemüller, MD, PhD, […]
Rodolfo Valentino Syndrome: Perforated Duodenal Ulcer Mimicking Appendicitis
Case Report An 80-year-old patient on immune checkpoint inhibitor therapy presented with acute right lower abdominal pain mimicking appendicitis. CT revealed free air below the liver, and laparotomy confirmed a perforated duodenal ulcer — a rare presentation known as Rodolfo Valentino Syndrome. Joel Joseph, MDDepartment of Gastroenterology, Carilion Memorial Hospital, Virginia Tech Carilion School of […]
Tools of the Trade: The Retentia ® Clip
Tools of the Trade: The Retentia ® Clip Klaus Mönkemüller, MD, PhD, FASGE, FJGES Department of Gastroenterology, Carilion Memorial Hospital, Virginia Tech Carilion School of Medicine, Roanoke, USA Figure 1. Retentia Clip. Key technical information. The Retentia Clip has some interesting and nice features: It is rotatable, It can be deployed with scope in retroflexed […]
Ileum Intubation Made Easy
Transient or “Left”-Sided Ischemic Colitis: Case Reports With Focus on its Endoscopic Spectrum
Case Report Two cases of transient left-sided ischemic colitis are presented, highlighting the classic endoscopic features — including rectal sparing, segmental distribution, and Zuckerman’s sign — that are key to diagnosis. Klaus Mönkemüller, MD, PhD, FASGE, FJGES Virginia Tech Carilion School of Medicine, Virginia, USA Dr. Mönkemüller is a Professor of Medicine and internationally recognized […]
Endoscopic Hemostasis of a Bleeding Duodenal Ulcer with Injection Gold Probe: A Case Report
CASE REPORT Diana Dougherty, MD, and Klaus Mönkemüller, MD, PhD, FASGE, FESGE, FJGES Department of Gastroenterology, Carilion Memorial Hospital, Virginia Tech Carilion School of Medicine, Roanoke, USA Correspondence: Klaus Mönkemüller, MD, PhD — Department of Gastroenterology, Carilion Memorial Hospital, Virginia Tech Carilion School of Medicine, Roanoke, VA, USA Abstract Background: Bleeding peptic ulcer with a […]
Endoscopic Resection of Giant Gastric Polyp to Treat Upper GI Bleeding
Endoscopic Resection of Giant Gastric Polyp to Treat Upper GI Bleeding Anand Dwivedi, MD Gastroenterology Fellow, Carilion Memorial Hospital, Virginia Tech Carilion School of Medicine Klaus Mönkemüller, MD, PhD, FASGE, FJGES Professor of Medicine, Virginia Tech Carilion School of Medicine, Roanoke, Virginia, USA An elderly patient presented with massive hematemesis and drop in hemoglobin from […]
A Pro Tip for Clipping Mallory-Weiss Tears
What’s your strategy for clipping a Mallory-Weiss tear? A common mistake is starting proximally. For a more secure closure, place the first clip distally (furthest from the scope). Then, place subsequent clips proximally to create a stable V- or Y-shape, as shown in this diagram from our new guide. This is a preview of the […]