Figure 4
From: Peutz-Jeghers syndrome: a critical look at colonic Peutz-Jeghers polyps

A vaguely lobular pattern of organization of the crypts may be identified in juvenile polyps (a). However, the smooth muscle fibers identified do not surround the lobule (b). A ganglioneuromatous polyp (c) with randomly arranged muscle on a desmin stain (d).