Benign cytic teratoma of ovary perforating into the urinary bladder: a rare case.

Benign cystic ovarian teratoma is the most common ovarian neoplasm accounting for 10–25 % of ovarian tumors. Complications of cystic teratomas include torsion (16 %), malignant degeneration (2 %), infection (1 %), and rupture (1 %). It can rupture into the bladder, small bowel, rectum, sigmoid colon, vagina, abdominal wall, and peritoneal cavity. We report a case of ovarian dermoid perforating into the bladder and with a queer presentation with a tuft of hair projecting through the urethra while micturating.