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An unusual case of congenital muscular dystrophy with normal serum CK level, external ophtalmoplegia, and white matter changes on brain MRI
Department of Pediatric Neurology, University Hospital and Masaryk University, Brno, Czech Republic.
Department of Pathology, University Hospital and Masaryk University, Brno, Czech Republic.
Department of Pediatric Ophtalmology, University Hospital and Masaryk University, Brno, Czech Republic.
Department of Molecular Biology and Gene Therapy, University Hospital and Masaryk University, Brno, Czech Republic.
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2007 (Engelska)Ingår i: European journal of paediatric neurology, ISSN 1090-3798, E-ISSN 1532-2130, Vol. 11, nr 6, s. 381-384Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

We report a sporadic case of congenital muscular dystrophy (CMD) in a 13-year-old girl with early manifestation of muscle weakness and hypotonia, severe contractures, bulbar syndrome, progressive external ophtalmoplegia, and white matter changes on magnetic resonance imaging (MRI) of the brain, but no mental defect. Serum creatine kinase (CK) level was normal. Muscle biopsy revealed a dystrophic picture with a prominent inflammatory infiltrate mimicking inflammatory myopathy-typical histological findings in CMD. Immunostaining showed normal expression of merosin, alpha and beta-dystroglycans. Mutation analyses of calpain3, dysferlin, and SEPN1 genes were negative. An electron microscopy revealed the accumulation of abnormally enlarged mitochondria located under the sarcolemma. Measurement of respiratory chain enzyme activities did not reveal any biochemical defect and mitochondrial genetic studies, including sequencing of the entire mitochondrial genome, were unremarkable. Phenotypic presentation of our patient is very unusual and differs considerably from other CMD variants.

Ort, förlag, år, upplaga, sidor
Elsevier, 2007. Vol. 11, nr 6, s. 381-384
Nationell ämneskategori
Neurologi
Forskningsämne
Medicin
Identifikatorer
URN: urn:nbn:se:his:diva-11970DOI: 10.1016/j.ejpn.2007.01.010ISI: 000250713100011PubMedID: 17395506Scopus ID: 2-s2.0-35148832722OAI: oai:DiVA.org:his-11970DiVA, id: diva2:907009
Tillgänglig från: 2016-02-25 Skapad: 2016-02-25 Senast uppdaterad: 2017-11-30Bibliografiskt granskad

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