[Invasive bladder cancer recurrenced 5 years after complete response status by chemotherapy and radiotherapy: a case report].

A 72-year-old man had undergone trasucethral resection of bladder tumor (TUR-Bt) three times from 1990 to 1991 and he had been lost to follow with no recurrence from 1996, came to our hospital complaining of asymptomatic macrohematuria in May 1999. A bladder tumor existed around the right ureteral orifice with right hydronephrosis. MRI and TUR-Bt revealed that the cancer was transitional cell carcinoma (TCC) > small cell carcinoma, G3, pT3b.

Primary signet ring cell carcinoma of the prostate: report and review of 42 cases.

We report a case of primary signet ring cell carcinoma of the prostate in a 75-year-old man. Serum prostate specific antigen (PSA) level at presentation was 9.3 ng/mL.