The challenge of endoscopic detection of F & D lesions
(a) Barium contrast radiograph (case 2) showing polypoid lesion with fold convergence (arrows) in transverse colon. (b) Colonoscopic view of polypoid lesion with fold convergence (arrows). (c) Magnifying view after spraying indigocarmine dye showing clear delineation of lateral margin and type VA pit pattern. (d) Magnifying view with crystal violet staining showing type VN pit pattern in depressed area (arrow) and type VA pit pattern at lateral margin. (e) Stereomicroscopic view showing type VN pit pattern in central depressed area and normal round pits along margin (H&E, original magnification x4). (f) Photomicrograph of cross-section of resected specimen showing subserosal tumor invasion of mucinous adenocarcinoma (H&E, original magnification x4). (From Nagata et al. .)
View the Online Book
This image is taken from J Pasricha & GS Raju. Chapter 6, In Colonscopy, Advanced Digestive Endoscopy e-books. GastroHep.com.
View the online book
Download this image
PC users: right-click on the image and choose 'Save Picture/Image As' from the popup menu.
Mac users: click and hold down over the image and choose 'Save This Image As' from the popup menu.
Submit your images
Play a part in the GastroHep.com community by publishing your important images in the Slide Atlas. We're looking for high quality images in gastroenterology, hepatology or endoscopy.