Papilla morphology by type: Type 1 (regular), Type 2 (small), Type 3 (protruding) and Type 4 (creased/ridged).
For each type the table gives prevalence, cannulation failure (OR, with Type 1 as reference), difficult cannulation and pancreatitis.
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Common misconception: APC only causes superficial damage.
Per the authors, persistent APC on one spot can cause carbonization, deep tissue injury, even perforation. Apply it dynamically.
By Adil Mir, MD, Reid Wasserman, DO and Klaus Mönkemüller, MD, PhD
EndoCollab Quiz
White mucosal changes in the duodenum.
What is this?
a. Lymphangiectasia
b. Adenoma
c. Cholesterol plaques
d. Lipid deposits
Vote in the reply to see the answer.
Bonus: Including a free flash card
Answer in our Telegram quiz. Vote to see it:
t.me/endocollab/27
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Ischemic colitis: rectal sparing, segmental left colon disease, and a linear ulcer on the mesenteric border (Zuckerman's sign). Case by Klaus Mönkemüller, MD, PhD.
How to Use Clips for Hemostasis:
> Anatomy and Mechanism of Operation of Clips
> Are They Single Use, Do They Rotate, How Much Tissue Can They Grasp?
> There is a Large Variety of Through-The-Scope Clips
> Technique of Clip Placement
Example images of the nCLE criteria for pancreatic cysts.
Superficial vascular network
Papillae
Epithelial border
Dark aggregates of cells
A field of bright, gray or black particles
Adapted from Napoléon B et al. Endoscopy 2019;51:825–35.
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Extensive esophageal necrosis 6 hours after sodium hydroxide ingestion. Scope stopped at the EGJ because of perforation risk. Case by Klaus Mönkemüller, MD, PhD.
JNET classification and colorectal lesion treatment.
Type 1: leave in situ
Type 2A: endoscopic resection
Type 2B: chromoendoscopy
Type 3: surgical resection
Adapted from Teramoto A, Iwatate M, Sano Y et al: Stomach and Intestine 2019; 54: 28-37.
EndoCollab Quiz
Ileocecal Valve Ulcer and Terminal Ileitis by Dr Sandeep Raut
What is your diagnosis?
A. Crohn's disease
B. Tuberculosis
C. Histoplasmosis
D. Behçet's disease
Reply below with your answer.
Underwater EMR in the cecum: snare anchoring and pressure.
Close as if attempting a cold snare. Use cut current. Don't insufflate after resection, to keep the defect small.
From Klaus Mönkemüller's Complex Colon Polyps lecture, Panama.
Klaus teaches this at 47:12 in his new 66-minute atlas, The Complex Colon Polyp: endocollab.com/blogs/full-co…
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Barrett's with varices.
50-year-old patient sent for Barrett's esophagus and esophageal varices.
Band ligation of the Barrett's segment obliterates the varices and eradicates the Barrett's mucosa.
Case by Hiral Patel, MD and Klaus Mönkemüller, MD, PhD.
How to Biopsy an Inlet Patch
Inlet patches:
- Common Symptoms
- Therapy
- Esophageal adenocarcinoma transformation
Biopsy process: how to guide the endoscope towards the target area





























