Abstract
Carcinoid tumors commonly occur in the gastrointestinal and respiratory tracts, and rarely in the genitourinary tract. To our knowledge only 1 case of urethral carcinoid tumor has been reported.1 We report a new case of urethral carcinoid tumor. CASE REPORT A 39-year-old man presented with left back pain. Cystoscopy showed a 3 mm. tumor in the bulbous portion of the penile urethra and a 5 mm. bladder papilloma. Both lesions were resected. The urethral tumor was covered on the surface with nonneoplastic transitional epithelium and was composed of small to medium sized cells arranged in interconnecting trabeculae with scanty stroma (fig. 1). The tumor cells had round or oval bland nuclei, small nucleoli and moderate amounts of cytoplasma with ill-defined borders. There were scattered rosette-like structures and rare mitoses (fig. 2). Diagnosis was carcinoid tumor and was confirmed by diffuse immunoreactivity of the tumor cells to chromogranin and synaptophysin (fig. 3). The patient had no evidence of disease 2 years later. DISCUSSION
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