Bae S H, Vates T S, Kenton E J
Ann Neurol. 1980 Oct;8(4):449-50. doi: 10.1002/ana.410080422.
Two patients with chronic bilateral subdural hematomas developed symmetrical generalized choreiform movements. In one patient the chorea disappeared after evacuation of the hematomas, and in the other the movement improved. The latter patient has a family history of Huntington's disease.