A CASE OF CA19-9-PRODUCING SEMINAL VESICLE CYST WITH IPSILATERAL RENAL AGENESIS

A case ofCAI9-9-producing seminal vesicle cyst with ipsilateral renal agenesis is reported. A 29-year-old man was admitted to our hospital for perineal pain and urinarγretention. Digital rectal examination revealed a large soft mass that f1uctuated in the area of the prostate and seminal vesicles. Magnetic resonance imaging revealed a right kidney defect ， and ipsilateral dilation and cystic enlargement of the right seminal vesicle. Transrectal puncture of the seminal vesicle cyst was performed. The contents were pus and old red blood cells. lnitially ， the serum CA19-9 level was extremely high (145.8 U Iml) but was normalized by the treatment with antibiotics after the puncture. The symptoms subsided without recurrence