[Primary bladder adenocarcinoma in a young girl].

We describe a case of primary adenocarcinoma of the bladder in an 18-year-old girl. She had no recurrence five years after operation. A young case is very rare because primary bladder adenocarcinoma are found mostly in old patients. We collected 86 cases of primary bladder adenocarcinoma in the Japanese literature, but found no case of a young patient in them. In the literature, epithelial bladder tumors in children have been reported to show good prognosis compared with adults.