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Novel ETFDH mutation and imaging findings in an adult with glutaric aciduria type II

Introduction: Glutaric aciduria type II (GAII) is a rare autosomal recessive disorder with variable clinical course. The disorder is caused by a defect in the mitochondrial electron transfer flavoprotein or the electron transfer flavoprotein dehydrogenase (ETFDH). Methods: We performed clinical char...

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Main Authors: Rosenbohm, Angela (Author) , Süßmuth, Sigurd (Author) , Kassubek, Jan Rainer (Author) , Müller, Hans-Peter (Author) , Pontes, Christina (Author) , Abicht, Angela (Author) , Bulst, Stefanie (Author) , Ludolph, Albert C. (Author) , Pinkhardt, Elmar Hans (Author)
Format: Article (Journal)
Language:English
Published: 2014
In: Muscle & nerve
Year: 2013, Volume: 49, Issue: 3, Pages: 446-450
ISSN:1097-4598
DOI:10.1002/mus.23979
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1002/mus.23979
Verlag, lizenzpflichtig, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/mus.23979
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Author Notes:Angela Rosenbohm, Sigurd D. Süssmuth, Jan Kassubek, Hans-Peter Müller, Christina Pontes, Angela Abicht, Stefanie Bulst, Albert C. Ludolph, and Elmar Pinkhardt
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Summary:Introduction: Glutaric aciduria type II (GAII) is a rare autosomal recessive disorder with variable clinical course. The disorder is caused by a defect in the mitochondrial electron transfer flavoprotein or the electron transfer flavoprotein dehydrogenase (ETFDH). Methods: We performed clinical characterization, brain and whole body MRI, muscle histopathology, and genetic analysis of the ETFDH gene in a young woman. Results: She presented with rhabdomyolysis and severe quadriparesis. We identified a novel homozygous missense mutation in ETFDH (c.1544G>T, p.Ser515Ile). Body fat MRI revealed a large amount of subcutaneous fat but no increase in visceral fat despite steatosis of liver and muscle. Diffusion tensor imaging (DTI) of cerebral MRI revealed reduced directionality of the white matter tracts. Histopathological findings showed lipid storage myopathy. Conclusions: In this study, we highlight diagnostic clues and body fat MRI in this rare metabolic disorder. Muscle Nerve 49:446-450, 2013
Item Description:First published: 28 July 2013
Gesehen am 21.09.2020
Physical Description:Online Resource
ISSN:1097-4598
DOI:10.1002/mus.23979

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