[A family of Fahr's disease].

A family of Fahr's disease with autosomal dominant inheritance was reported 5 cases in 3 generations were affected in this family. The first patient was admitted for operation because of intracranial hematoma. No specific abnormality was found in the patients except intellectual impairment CT, however, revealed high density lesions in basal ganglion cerebellum, and cerebral white matter.