Imaging appearance of ovarian mature teratoma with gliomatosis peritonei

Abstract

Gliomatosis peritonei (GP), almost exclusively linked to mature or immature ovarian teratoma, is a very rare disease. To the best of our knowledge, reports on the complete clinical course and imaging features of ovarian mature teratoma with GP are extremely rare. We present a case of ovarian mature teratoma with GP in a 9-yearold girl admitted to the emergency department for a 2-month history of a large abdominal mass found accidentally. Carcinoembryonic antigen and cancer antigen 125 levels were elevated. CT scans suggested a large mass with mild enhancement,