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Abstract #2012

Proton MRS shows cerebral lipid accumulation in Chanarin-Dorfman Syndrome

Marinette van der Graaf 1 , Marleen CDG Huigen 1 , Eva Morava 1,2 , A Carin M Dassel 3 , Maurice AM van Steensel 4,5 , Marieke MB Seyger 1 , Ron A Wevers 1 , and Michl A Willemsen 1

1 Radboud University Medical Center, Nijmegen, Netherlands, 2 Tulane University Medical School, New Orleans, LA, United States, 3 Deventer Hospital, Deventer, Netherlands, 4 Maastricht University Medical Center, Maastricht, Netherlands, 5 Institute of Medical Biology, Immunos, Singapore

A patient with congenital ichthyosis suspected of having Sjgren-Larsson syndrome (SLS) underwent cerebral MRS measurements in which the typical pattern of SLS was expected with a high lipid resonance in white matter. However, this particular patient showed overall cerebral lipid accumulation not restricted to only white matter. Further metabolic and genetic screening led to the diagnosis of Chanarin-Dorfman Syndrome (CDS) caused by a defect in the CGI-58/ABHD5 gene. The finding of cerebral lipid accumulation in CDS was reproduced in another patient with genetically proven CDS. To our knowledge these MRS results demonstrate for the first time cerebral involvement in CDS.

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