Extracranial germ cell tumours: Mature and immature (1990-2015). First report by the South African Association of Paediatric Haematology Oncology (SAAPHO).

Five-year OS for those with low-stage disease was excellent, but was poorer for patients with advanced disease. The implementation of a national treatment guideline will facilitate the standardising of surgical approaches, indications for chemotherapy and specifications for follow-up to improve survival and to collect more robust late effects data.