Thrombotic Thrombocytopenic Purpura: A Case Presenting with Acute Ischemic Colitis

Figure 3

Colonic biopsy at medium magnification (100x, H&E stain) showing features characteristic of ischemic injury, including crypt atrophy, loss of cytoplasmic mucin, nuclear hyperchromasia, and absence or shedding of the luminal surface epithelium.