Abstract
Since carcinoma of the prostate usually metastasizes to pelvic lymph nodes or to bone or by direct extension, a discrete metastatic papillary lesion involving the ureter is unusual. We report such a case in a fifty-three-year-old man. Review of the literature has identified 11 other cases of carcinoma of the prostate metastatic to the ureter. None of the previously reported cases, however, described a discrete papillary intraluminal tumor in which there was no direct extension outside the ureteral wall. In addition, small foci of tumor were within intraluminal lymphatics as well as within the ureterovesical resection margin. These findings together with immunoperoxidase results confirm the unusual behavior and presentation of metastatic prostate carcinoma involving the ureter. Later a bladder tumor developed and histology again revealed metastatic prostate carcinoma.
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