GI Classifications

Upper GI
Lower GI
EUS/ERCP
Manometry

Upper GI

Esophagus
Stomach
Duodenum

Esophagus Classifications

Los Angeles (LA) Classification for Esophagitis
Hill Classification for Esophagogastric Junction
EoE Endoscopic Reference Score (EREFS)
Prague Classification for Barrett's Esophagus
Savary-Miller Classification for Esophagitis
Zargar Classification for Caustic Esophageal Injuries

Stomach Classifications

Forrest Classification for Ulcer Bleeding
Sydney System for Gastritis
Paris Classification for Superficial Neoplasia
Vienna Classification for Epithelial Neoplasia
Japanese Classification for Gastric Cancer
Yamada Classification for Gastric Polyps

Duodenum Classifications

Marsh-Oberhuber Classification for Celiac Disease
Bormann Classification for Gastric Cancer (can extend to duodenum)

Lower GI

IBD
Polyps
Other

IBD Classifications

Montreal Classification for Crohn's Disease
Truelove and Witts Classification for Ulcerative Colitis
Mayo Score for Ulcerative Colitis
Rutgeerts Classification for Postoperative Crohn's Disease
Harvey-Bradshaw Index for Crohn's Disease

Polyp Classifications

Paris Classification for Colorectal Polyps
Kudo Classification for Pit Patterns
Nice Classification for Colorectal Lesions
Haggitt Classification for Polypoid Lesions
Vienna Classification for Colorectal Epithelial Neoplasia

Other Classifications

Boston Bowel Preparation Scale (BBPS)
Modified Dukes Classification for Colorectal Cancer
Chicago Classification for Colorectal Motility Disorders
Hereditary Colorectal Cancer Syndromes
Hemochromatosis Genes

ERCP/EUS

EUS
ERCP

ERCP Classifications

Bismuth-Corletta Classification
Gallstones complications
Modified Milwaukee for Sphincter of Oddi Dysfunction

EUS Classifications

Fukuoka IPMNs Guidelines
TNM staging for esophageal, gastric, and colorectal cancers
TNM Pancreas Staging

About

This website provides a valuable collection of gastroenterology classifications, specifically curated for GI attendings, fellows, residents, and healthcare providers. The diagrams and images found here are the result of the hard work and dedication of numerous contributors. I have simply organized and assembled these resources into a convenient and user-friendly format.

The real credit goes to the professionals whose efforts made this resource possible. I sincerely thank all the individuals who contributed to creating and sharing these amazing diagrams.

Created by: Fady Banno, MD