posted on 2012-09-18, 01:34authored byTavan Janvilisri, Joy Scaria, Ching-Hao Teng, Sean P. McDonough, Robin D. Gleed, Susan L. Fubini, Sheng Zhang, Bruce Akey, Yung-Fu Chang
(A) The mucosal surface is covered by a thick layer of fibrinopurulent exudate (‘pseudomembrane’). Note the extensive submucosal edema. (B) Focal erosion of the surface enterocytes is accompanied by exudation of fibrin and neutrophils into the lumen of the intestine.