[A case of urinary retention due to ovarian dermoid cyst in a female infant].

Le résumé fourni par la source

The patient was a 20-month-old girl. She visited some pediatric clinic with the chief complaint of voiding difficulty and miction pain from October 5, 1991. Excretory urogram, abdominal ultrasound and computed tomographic scan revealed a retrovesical mass which compressed the urinary bladder antero-superiorly. She was referred to our hospital for further evaluation. Physical examination disclosed a fist-sized tumor in her lower abdomen, which persisted after bladder emptying. Cystoscopy revealed elongation of the urethra and elevation of the bladder base. Tumor markers and endocrine examination were normal. Magnetic resonance imaging at 2 weeks after admission revealed that the retrovesical tumor had been translocated cranial to the bladder. Operation was done on October 29, 1991. The tumor originated from the right ovary and was 6.2 x 5.0 x 5.0cm in size and 60g in weight. The cut surface of the surgical specimen included the fatty tissue and hair, and the pathological diagnosis was an ovarian dermoid cyst. This is the youngest case of ovarian dermoid cyst presenting as urinary retention in the Japanese literature. The mechanism of urinary retention due to infantile gynecological disease is discussed.

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