Cerebellitis is not a recognised manifestation of Lyme disease. We des
cribe a patient with clinical features of subacute cerebellitis, cereb
rospinal fluid (CSF) monocytic pleocytosis, positive CSF Borrelia burg
dorferi antibodies, negative brain magnetic resonance imaging and a be
nign course after treatment with ceftriaxone. Possible earlier cases a
re discussed, Lyme disease should be considered in all cases of subacu
te cerebellitis.