A 39-year-old male presented with an exceedingly rare primary intracranial epithelioid angiosarcoma in the right parietal lobe manifesting as weakness of the left hand. Neuroimaging revealed a well-defined intensely enhanced lesion in the right parietal lobe with peripheral cerebral edema. The tumor
We report a case in a 74-year-old woman of collecting-duct carcinoma of the kidney with prominent signet ring cell features. Grossly, the tumor measured 5.5 cm in greatest dimension, occupied the entire upper pole of the kidney, and was well circumscribed. Microscopically, it displayed a predominant
The clinical and pathological features of five personally observed ovarian myxomas and three similar tumors previously described in the literature are analyzed. The patients' ages ranged from 16 to 45 years (mean, 33 years). An asymptomatic unilateral adnexal mass was the usual presentation. The
Papillary renal cell carcinoma is the second most common carcinoma of the renal tubules and has been characterized genetically. Its morphologic features are incompletely characterized. It has been suggested that the presence of cytokeratin 7 is specific for papillary renal cell carcinoma. Collecting
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