Exposé de trois cas de troubles pubertaires dus à une lésion neurologique

Case 1. A girl aged 17 ½, with normal puberal morphology, but with primary amenorrhoea and some psychological infantilism. Appearance of a large cyst due to obstruction of the 4th ventricle by a polar spongioblastoma. Insertion of a Pudenz valve. Spontaneous menstruation. Marriage; one healthy child.