Ganglioglioma arising in an ovarian teratoma

A pregnant 23-year-old woman presented during a gynecological ultrasound check-up with a 120×56×82 mm multilocular, non-echogenic, solid cystic left ovarian mass with a 12×33 mm internal papillary structure ([Figure 1][1]). High serum CA19.9 values were found (83 U/mL). CA125,