Abstract:Determining the origin of poorly differentiated adenocarcinomas remains a challenge for the pathologist. This manuscript reports the use of a panel of specific immunohistochemical stains to determine the primary site of a tumor in the colon. A 45-year-old man had a right hemicolectomy for adenocarcinoma. Immunohistochemical staining documented that the…
Abstract:Xanthogranulomatous inflammation is a well-defined disease most frequently reported in the kidney and gallbladder. The occurrence of this disease in the colon is extremely rare, with only five cases of appendix vermiformis involvement in the literature. Its clinical importance is that it can be misinterpreted as a malignant process clinically…
Ischemic colitis is the most common form of intestinal ischemia. It manifests as a spectrum of injury from transient self-limited ischemia involving the mucosa and submucosa to acute fulminant ischemia with transmural infarction that may progress to necrosis and death. Although there are a variety of causes, the most common…
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