hystology

ClassificationsUpper GI tract

Paris Classification: Early Barrett Cancers

Paris Classification: Early Barrett Cancers

In the following, examples for superficial/early Barrett lesions of the esophagus are shown. Here, flat and sessilelesions are predominant, pedunculated tumors are rare. Sessile tumor

ClassificationsUpper GI tract

Paris Classification: Early Squamous Cell Cancers Esophagus

Paris Classification: Early Squamous Cell Cancers Esophagus

Examples of superficial/early squamous cell lesions in the esophagus are presented below. In the esophagus, flat lesions are predominant in the early tumors, and polypoid

LiteratureUpper GI tract

Low-grade dysplasia in Barrett’s esophagus — a second opinion is important, but then treatment is needed

Low-grade dysplasia in Barrett’s esophagus — a second opinion is important, but then treatment is needed

Low-grade dysplasia (low-grade intraepithelial neoplasia, LGIN) is difficult to distinguish from inflammation histopathologically. The interobserver variance rates usually show kappa values below 0.4, representing a