[Thalamo-peduncular germinoma].

A 24 year-old patient presented with chronic intracranial hypertension, palsy of both abducens nerves and upward gaze, and right hypoesthesia. CT scan and MRI showed a left thalamic tumor infiltrating the left cerebral peduncle. A stereotactic biopsy revealed a germ cell tumor. Following radiotherapy the patient recovered except for ophthalmoplegia. The tumor totally disappeared on CT scan and MRI.