Impact of recent seizures on cerebral blood flow in patients with sturge-weber syndrome: study of 2 cases.

Abstract:

:Patients with refractory seizures, including those with Sturge-Weber syndrome, undergo functional studies in preparation for surgery. Perfusion studies in Sturge-Weber syndrome by single photon emission computed tomography and positron emission tomography generally demonstrate hypoperfusion in the diseased tissue. We report perfusion-weighted magnetic resonance imaging results in 2 cases of Sturge-Weber syndrome with recent seizures. The affected cerebral tissue showed increased relative cerebral blood flow and volume with prolonged mean transit time and time to peak. Elevated relative cerebral blood flow could be attributed to seizures, whereas increased relative cerebral blood volume might have resulted from vasodilation due to seizure activity or chronic ischemia. These findings point to the variable results of functional studies in Sturge-Weber syndrome that might lead to miscalculations of the lesion area before surgery.

journal_name

J Child Neurol

authors

Oguz KK,Senturk S,Ozturk A,Anlar B,Topcu M,Cila A

doi

10.1177/0883073807302597

subject

Has Abstract

pub_date

2007-05-01 00:00:00

pages

617-20

issue

5

eissn

0883-0738

issn

1708-8283

pii

22/5/617

journal_volume

22

pub_type

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