G. N. LEWIS, M.D.; A. LITTMAN, M.D., Ph.D.; E. F. FOLEY, M.D., F.A.C.P.
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The syndrome resulting from occlusion of the posterior inferior cerebellar artery (PICA) was defined clearly by Wallenberg in 1895.1 Typically there is, without loss of consciousness, a sudden onset of vertigo, falling, unilateral ataxia, vomiting, diplopia, paresthesias, dysphagia and dysphonia. Horner's syndrome, cerebellar signs, unilateral palatal paralysis, ipsilateral loss of pain and temperature perception of the face and similar sensory impairment on the contralateral side of the body are observed.
In 1946 Louise-Bar,2 in an elaborate review of the literature of this entity, listed 240 references and presented six cases. Most of the clinical reports deal with one or two
LEWIS GN, LITTMAN A, FOLEY EF. THE SYNDROME OF THROMBOSIS OF THE POSTERIOR INFERIOR CEREBELLAR ARTERY: A REPORT OF 28 CASES1. Ann Intern Med. ;36:592–602. doi: 10.7326/0003-4819-36-2-592
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Published: Ann Intern Med. 1952;36(2_Part_2):592-602.
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