[Pulmonary metastasis from cerebellar medulloblastoma--report of a case and review of the cases in the literature (author's transl)].

A case of medulloblastoma with pulmonary metastasis was reported. The patient was a 9-year old female who was diagnosed as cerebellar medulloblastoma and treated by total removal of the tumor with adjuvant radiotherapy. The recurrence occurred and the expired 4 months after surgery. The entire clinical course was 2 1/2 years. Autopsy revealed a secondary focus of medulloblastoma in the upper lobe of right lung. No residural tumor was found in the brain. In the literature, 54 cases of extracranial metastasis of medulloblastoma was reported. Only eight of which lead metastatic deposits in the lung. We discussed the possible routes and sites of metastasis in relation to the treatment and prognosis on these cases who showed extracranial metastasis of medulloblastoma.