Esophageal Stricture Dilation: Wire Rules, the Flipped Wire Technique, and the Rule of Three
A 7-minute guide to safe esophageal stricture dilation: read the wire, pass the stricture under control, and stop by rule, not by ambition. You are looking at a tight esophageal stricture. The lumen is a pinhole and you cannot see what lies beyond it. The wire is in your assistant’s hand. Do you advance it…...
Endoscopic Foreign Body Removal: Timing, Tools, and Technique
When a swallowed object needs emergency endoscopy, what belongs in the foreign-body tray, and how to extract sharp objects safely — from Dr. Klaus Mönkemüller’s toolbox lecture series.
KAR Hybrid ESD-EMR: Circumferential Tip-of-Snare Incision
A 6-minute guide to knife-assisted resection (KAR): circumferential tip-of-snare incision, then snare lift for hybrid ESD-EMR. Piecemeal EMR on a broad lateral spreading tumor often leaves you guessing about lateral margins. Full ESD is elegant, but not every unit needs a dedicated knife for every flat lesion. Knife-assisted resection (KAR), also called hybrid ESD-EMR or…...
Wire-Guided Basket Extraction for Difficult Bile Duct Stones
Wire-guided basket extraction: a step-by-step guide to when freehand fails, how to load a standard basket over the wire, and how to finish with leverage when the stone will not come. You have a complex stone in a dilated, irregular bile duct after secondary cholangitis. A freehand basket may never reach the left intrahepatic system…....
Snare Tip Assisted ESD EMR
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Endoscopic Resection Using the Oblique Cap (Inoue Cap)
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Cap-Assisted ESD for Dysplastic Barrett’s Esophagus
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Meckel’s Diverticulum
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Yao VS Classification for Early Gastric Cancer
Yao VS classification: a step-by-step guide to scoring mucosal surface, subsurface vessels, and the demarcation line when you inspect the stomach for early gastric cancer. You are looking at a subtle gastric lesion. Detection is only half the job. If the report says “suspicious area” without a structured surface and vessel score, the next endoscopist…...
ERCP U-Wire: Flip the Tip When the Wire Keeps Escaping
You place a self-expanding metal stent for a malignant bile duct stricture. Months later the patient is still alive, the stent is occluded, and every straight wire you pass wants to exit through the uncovered mesh. That is when the U-wire, or flipped wire tip technique, belongs in your ERCP plan. Why the Straight Wire…...
When Cold Snare Is Not Enough for a 6 to 10 mm Colon Polyp
A 6 to 10 mm colon polyp can look routine until the shape, margin, and histology make the resection less forgiving. In this clip, Klaus reviews why a small lesion still needs an individualized plan. The goal is simple: remove the lesion safely, completely, and with margins that can stand up to pathology. Why Shape…...
Cold Snare Polypectomy: Why Forceps and Hot Biopsy Fail
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