Basal cell adenocarcinoma of minor salivary glands is a relatively rare slow-growing tumor with an infiltrating growth pattern. The infiltrating growth pattern and likelihood of vascular and perineural involvement distinguishes basal cell…
Black esophagus, or acute necrotizing esophagitis, is a blackening of the esophagus that is usually distal with a sharp demarcation at the gastroesophageal border. Black esophagus is known to the gastroenterology community; however, to our knowledge…
Neurocysticercosis is a significant public health issue within the United States. Although cysticercosis was once thought to have been eradicated in the United States, the number of documented cases is rising and immigrants from endemic areas are at…
Context Participation in proficiency testing is required under the Clinical Laboratory Improvement Amendments of 1988. Although the primary purpose of this testing is evaluation of current laboratory performance, a major secondary benefit of such…
Polypoid lesions composed of gastric mucosa in the jejunum are rare. The vast majority of cases of ectopic gastric tissue occur in the duodenum. In this article, we present a case of heterotopic gastric mucosa forming a giant polyp in the mid…
Objective.-After identifying a metastatic glycogen-rich balloon cell malignant melanoma, originally thought to be a benign clear cell tumor of the lung, we investigated the extent of positive reactions, or "positivity," of malignant melanoma to…
Background.-Extramammary Paget's disease most commonly occurs on the female external genitalia and rarely occurs in the perianal region and male external genitalia. We present the clinical and pathologic features of 5 cases of perianal Paget's…
Only two cases of beta(2)-microglobulin amyloid tumors involving the buttocks have been reported in the world literature. We report a case of bilateral buttock amyloid tumors with associated carpal tunnel syndrome and pathologic fracture involving…
