We investigated the clinical features of 15 patients with multiple isolated ischemic
lesions in the cerebellum. The main initial symptoms were vertigo and nausea/vomiting
in 8 patients each, and headache in 6 patients. Dysarthria and cerebellar ataxia of
the limbs and trunk were observed in 14 patients. The ischemic lesions were in the
posterior inferior cerebellar artery (PICA) plus superior cerebellar artery (SCA)
territories in 4 patients (27%), and PICA plus SCA plus anterior inferior cerebellar
artery (AICA) territories in 3 patients (20%). Infarcts were in the AICA plus SCA
territories in 2 patients (13%), PICA only in 2 patients (13%), and SCA only in 4
patients (27%). Hemorrhagic lesions were observed in the ischemic area in 2 patients
(13%). Vascular lesions included occlusive lesions of the vertebral arteries in 9
patients (60%), but no abnormalities of the vertebrobasilar arterial system were observed
in 6 patients (40%). The functional prognosis was good in most cases. The underlying
mechanism was atherothrombotic, including arteriogenic embolism in 9 patients (60%)
and cardiogenic embolism in 3 patients (20%). An embolic mechanism was considered
in all cases, but in some cases an accurate pathogenesis of the cerebellar infarction
was obscure.
Key Words
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Article info
Publication history
Accepted:
May 10,
2005
Received in revised form:
May 9,
2005
Received:
January 18,
2005
Identification
DOI: https://doi.org/10.1016/j.jstrokecerebrovasdis.2005.05.005
Copyright
© 2005 National Stroke Association. Published by Elsevier Inc. All rights reserved.
