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We prospectively determined the accuracy of computerized tomography (CT) and needle biopsy of solid renal masses. A total of 100 patients with a solid renal mass who were scheduled for operation were prospectively evaluated. CT was performed before radical or partial nephrectomy. Biopsy of the surgical specimens was done twice through the tumor using an 18 gauge biopsy gun. Specimens were sent...
AbstractTo assess the nature of a series of unusual low-grade mucin-producing tubulocystic renal cancers diagnosed at the Mayo Clinic since 1985.We reviewed the clinical, radiologic, and pathologic features of 13 unusual low-grade renal carcinomas with features most suggestive of collecting duct origin.In 8 cases, the tumor was discovered incidentally. Presenting symptoms in the other 5 patients were...
We review the clinicopathological features of chromophobe cell renal carcinoma. Cases were identified by reviewing the histology of all renal neoplasms resected between 1977 and 1990. Clinical data were obtained by chart review. Of 50 cases a majority (53 percent) were discovered incidentally and most (86 percent) were stage I. Typical pathological findings included the presence of 2 cell types...
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