title: Malignant struma ovarii. A case report and literature review.
abstract: A woman developed papillary adenocarcinoma in a struma ovarii. The focus of malignancy was within a benign struma found at laparotomy for a pelvic mass. The patient had a previous history of bilateral cystic teratomas. The tumor was composed of papillae of crowded, pleomorphic cells with minimal cytoplasm but a wide range of chromatin patterns. Immunoperoxidase staining for thyroglobulin revealed positive regions in both the benign and malignant areas of tumor. A 15-year review of cystic teratomas in the state of Colorado revealed a frequency of 0.3% for malignant struma ovarii.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D013330:Struma Ovarii / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D013954:Thyroglobulin / Q000032:analysis; D013964:Thyroid Neoplasms / Q000473:pathology
chemical_list: D013954:Thyroglobulin