Blow Up of Squamous Carcinoma in situ of the Esophagus

Squamous Cell Carcinoma in situ x10

•The junction of in-situ carcinoma and normal epithelium is at the black arrow
•In-situ squamous carcinoma(on right) displays full thickness replacement of the epithelium with severely dysplastic cells
•The basement membrane(black arrows) is intact with no evidence of invasion into the lamina propria

(Description By:Martin Nadel, M.D. )

(Image Contrib. by:Martin Nadel, M.D. UCHC )