| Cerebellar abnormality in children and young adults with tuberous sclerosis complex: MR and diffusion weighted imaging findings. | |
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MedLine Citation:
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PMID: 20381146 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: The goal of our study was to: determine the incidence of cerebellar lesions in a cohort of children and young adults with TSC, and analyze the magnetic resonance imaging (MRI) findings of cerebellar TSC lesions including their contrast behavior and diffusion characteristics. MATERIAL AND METHODS: MRI studies of 27 TSC patients (mean age, 10.6 years) were evaluated for: cortical/subcortical tubers, white matter lesions, subependymal nodules, and giant cell astrocytomas. Patients with cerebellar involvement were further analyzed for the imaging and diffusion characteristics. ADC measurements of the cerebellar tubers were performed and compared with the contralateral normal appearing cerebellum. The clinical charts were revisited for symptoms suggesting cerebellar involvement. RESULTS: Cerebellar tubers were seen in 8/27 patients, cerebellar atrophy in 1/27 patients. Cerebellar tubers showed a pyramidal/wedge appearance with a broad base reaching the cortex. The majority of the cerebellar tubers (11/12, 92%) showed a "zebra-like" contrast enhancement. All cerebellar tubers had increased ADC values (mean ADC 1472×10(-6) mm(2)/s). None of the patients had "typical" cerebellar symptoms. CONCLUSION: Thirty-three percent of TSC patients had cerebellar lesions, most of them being cerebellar tubers. Cerebellar tubers differ from supratentorial tubers both concerning shape and contrast behavior. The exact etiology of contrast enhancement remains unclear. Future studies have to determine the impact of cerebellar lesions on neurocognitive development. |
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Authors:
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G Ertan; S Arulrajah; A Tekes; L Jordan; T A G M Huisman |
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Publication Detail:
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Type: Journal Article Date: 2010-04-08 |
Journal Detail:
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Title: Journal of neuroradiology. Journal de neuroradiologie Volume: 37 ISSN: 0150-9861 ISO Abbreviation: J Neuroradiol Publication Date: 2010 Oct |
Date Detail:
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Created Date: 2010-10-05 Completed Date: 2011-01-21 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7705086 Medline TA: J Neuroradiol Country: France |
Other Details:
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Languages: eng Pagination: 231-8 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Masson SAS. All rights reserved. |
Affiliation:
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Division of Pediatric Radiology, Department of Radiology and Radiological Science, Johns Hopkins Hospital, Baltimore, MD 21287-0842, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Cerebellum / pathology* Child Child, Preschool Female Humans Image Processing, Computer-Assisted Magnetic Resonance Imaging Male Tuberous Sclerosis / pathology* Young Adult |
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