1. Flat and Depressed Lesions of the Colorectum
Shin-Ei Kudo, Hiroshi Kashida 
Clinical Gastroenterology and Hepatology 
Volume 3, Issue 7, Pages S33-S36 (July 2005)
DOI: /S (05)
Copyright © 2005 American Gastroenterological Association Terms and Conditions

2. Figure 1
Pit pattern classification. (A) Type I: normal roundish pits; (B) type II: large star-shaped pits; (C) type IIIs: small roundish pits; (D) type IIIl: long tubular pits; (E) type IV: branched pits; (F) type Vi: irregular pits; (G) type Vn: nonstructural pit pattern. Types I and II are non-neoplastic pit patterns. Types IIIs, IIIl, and IV are adenomatous pit patterns. Types Vi and Vn are cancerous pit patterns.
Clinical Gastroenterology and Hepatology 2005 3, S33-S36DOI: ( /S (05) )
Copyright © 2005 American Gastroenterological Association Terms and Conditions