Cerebral MRI as a valuable diagnostic tool in Zellweger spectrum patients.

Journal of Inherited Metabolic Disease
S WellerJutta Gärtner

Abstract

Patients with defects in the biogenesis of peroxisomes include those with Zellweger syndrome spectrum (ZSS), a developmental and progressive metabolic disease with a distinct dysmorphic phenotype and varying severity. The diagnosis of ZSS relies on the clinical presentation and the biochemical evaluation of peroxisomal metabolites. Mutation detection in one out of twelve genes coding for proteins involved in the biogenesis of peroxisomes confirms the diagnosis. In the absence of pronounced clinical features of ZSS, neuroradiological findings may lead the way to the diagnosis. Cerebral magnetic resonance imaging (cMRI) pathology in ZSS consists of abnormal gyration pattern including polymicrogyria and pachygyria, leukencephalopathy, germinolytic cysts and heterotopias as reported by previous systematic studies including cMRI of a total of 34 ZSS patients, only five of whom had a severe phenotype. The present study evaluated the cMRI results of additional 18 patients, 6 with a severe and 12 with a milder ZSS phenotype. It confirms and extends knowledge of the characteristic cMRI pattern in ZSS patients. Besides an abnormal gyration pattern and delayed myelination or leukencephalopathy, brain atrophy was a common finding. Polymicr...Continue Reading

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Citations

Jun 30, 2009·Trends in Molecular Medicine·Sven ThomsJutta Gärtner
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Mar 26, 2021·Science Advances·Satoko MiyatakeNaomichi Matsumoto

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