28. Endoscopic view of multiple scattered, yellowish plaques consistent with pseudomembranous colitis
29. Abdominal radiograph demonstrating markedly dilated colon, wall edema, and loss of haustrations in a patient with Clostridium difficile- associated pseudomembranous colitis complicated by toxic megacolon
SA: n/v CNS, Botulinum on NMJ Enterotoxin: direct effect on intestinal mucosa to elicit net fluid secretion Cyto; mucosal destruction causing inflam colitis