[A case of giant carcinoma of the prostate].

A 74-year-old male complaining of lower abdominal mass was admitted to our hospital on August 1, 1985. He had also suffered from dysuria and bilateral lower limb edema for a year. At the time of admission, two fist-size hard masses were palpable on each suprainguinal abdomen. Remarkable venous dilatation on the surface of the whole abdomen was recognized. An enlarged stone-like hard prostate was palpable by rectal examination. Laboratory findings revealed moderately increased blood sedimentation rate and a high value of prostatic acid phosphatase. Urethrocystogram showed remarkable compression of both lateral walls of the bladder medially and the floor of the bladder was highly elevated. Computed tomography revealed almost the whole pelvic cavity occupied by the tumor which had invaded the retroperitoneal space upward as far as the level of the hilus of the kidney. Histological diagnosis was well-differentiated adenocarcinoma of prostate. Bilateral orchiectomy was performed on August 29, 1985 and he was treated with estramustine phosphate (Estracyt) 560 mg a day. Two months later, there was remarkable regression of the tumor and urethrocystogram was almost normal. Related reports are also reviewed.