Recurrence of immature ovarian teratoma as malignant follicular carcinoma with liver and peritoneal metastasis 22 years after completion of initial treatment

Growing tumour syndrome (GTS) is a rare event in which germ cell tumours treated with chemotherapy undergo maturation, acquire resistance to chemotherapy and regrow. The optimum treatment strategy is complete surgical excision. We report on a case of GTS with malignant metastases to the liver presenting 22 years after completion of treatment for immature teratoma, successfully managed with surgical resection alone.

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