Carlo Gobitti, Alessandro Sindoni, Chiara Bampo, Tanja Baresic, Giorgio Giorda, Lara Alessandrini, Vincenzo Canzonieri, Giovanni Franchin, Eugenio Borsatti
Struma ovarii (SO), a rare tumor containing at least 50% of thyroid tissue, represents approximately 5% of all ovarian teratomas; its malignant transformation rate is reported to occur in up to 10% of cases and metastases occur in about 5-6% of them. We describe a 36-year old woman who underwent laparoscopic left annessectomy two years earlier because of an ovarian cyst. Follow-up imaging revealed a right adnexal mass, ascitis and peritoneal nodes that were diagnosed as comprising a malignant …