Transcallosal approach to third ventricle tumor: case report. Partial removal of an infundibuloma (grade I astrocytoma arising from the floor of the third ventricle).

A care is described of an astrocytoma grade 1 arising from the floor of the third ventricle, operated upon transcallosally. No disconnection symptoms were produced. Five years later the patient has above normal intelligence and is attending school at normal grade level in spite of a CT scan suggesting recurrence of the tumor.