title: Primary polycythaemia presenting with chorea.
abstract: A case of primary polycythaemia presenting with severe chorea is reported and compared with previous cases. The aetiological factors of the chorea are discussed and the importance of early diagnosis stressed.
mesh_terms: D002819:Chorea / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011086:Polycythemia / Q000150:complications*