Document Detail


Possible involvement of the tip of temporal lobe in Landau-Kleffner syndrome.
MedLine Citation:
PMID:  17383838     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Landau-Kleffner syndrome (LKS) is a childhood disorder of unknown etiology characterized by an acquired aphasia and epilepsy. We have performed comprehensive neurofunctional studies on an 8-year-old girl with typical LKS, with the aim of identifying lesions that may be responsible for her condition. 18F-fluoro-D-glucose (FDG) positron emission computed tomography (PET), 11C-Flumazenil (FMZ) PET, 99mTc-hexamethylpropyleneamine oxime single photon emission computed tomography (SPECT) and magnetoencephalography were performed before and after changes to the patient's medication led to a clinical improvement. Interictal SPECT showed hypoperfusion in the left frontal, left temporal, and left occipital lobes. 18F-FDG PET demonstrated a decrease in glucose metabolism medially in both temporal lobes and superiorly in the left temporal lobe. 11C-FMZ PET revealed a deficit in benzodiazepine receptor binding at the tip of the left temporal lobe. Magnetoencephalography demonstrated equivalent current dipoles located superiorly in the left temporal lobe. Our results suggest that the tip of the left temporal lobe plays an important role in the pathogenesis of LKS in our patient.
Authors:
Hideaki Shiraishi; Kyoko Takano; Tohru Shiga; Maki Okajima; Akira Sudo; Naoko Asahina; Shinobu Kohsaka; Masakazu Fukuhara; Shinji Saitoh
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2007-03-26
Journal Detail:
Title:  Brain & development     Volume:  29     ISSN:  0387-7604     ISO Abbreviation:  Brain Dev.     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-08-16     Completed Date:  2007-11-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7909235     Medline TA:  Brain Dev     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  529-33     Citation Subset:  IM    
Affiliation:
Department of Pediatrics, Hokkaido University, Graduate School of Medicine, North 15, West 7, Kita-ku, Sapporo, Hokkaido 060-8638, Japan. siraisi@med.hokudai.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Anticonvulsants / therapeutic use
Child
Electroencephalography
Female
Humans
Landau-Kleffner Syndrome / metabolism*,  pathology,  physiopathology*
Magnetic Resonance Imaging
Magnetoencephalography
Positron-Emission Tomography
Seizures / drug therapy,  etiology
Technetium Tc 99m Exametazime
Temporal Lobe / metabolism*,  pathology,  physiopathology*
Tomography, Emission-Computed, Single-Photon
Chemical
Reg. No./Substance:
0/Anticonvulsants; 100504-35-6/Technetium Tc 99m Exametazime

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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