Malignant germ cell tumor in XY gonadal dysgenesis (Swyer syndrome)

Case of a 20-year-old patient with severe abdominal pain, right adnexal mass, positive β-HCG titre and free fluid in the abdominal cavity, as diagnosed by ultrasound. Laparotomy resulted in a ruptured ovarian tumour (chorionic carcinoma). Despite chemotherapy, the tumour developed fulminant metastases with a follow-up of 3 months. Final diagnosis: Gonadal dysgenesis, XY female type (Swyer-Syndrome)