COEXISTENCE OF STRUMA OVARII AND GRAVES-DISEASE

A 30-year-old woman with hyperthyroidism due to coexisting Graves' dis ease and struma ovarii is described. Physical examination revealed a d iffusely enlarged thyroid and an abdominal mass. CT scan of the abdome n showed a 25-cm predominantly cystic right ovarian mass. I-123 uptake and scan showed 75% thyroid uptake at 4 h and a focus of intense upta ke in the left upper quadrant of the abdomen. Preoperative treatment f or the hyperthyroidism included propylthiouracil, propranolol, and ipo date. Surgery was performed and pathologic examination of the ovarian mass revealed struma ovarii.