Eyes on MEGDEL: distinctive basal ganglia involvement in dystonia deafness syndrome
<p>Pediatric movement disorders are still a diagnostic challenge, as many patients remain without a (genetic) diagnosis. Magnetic resonance imaging (MRI) pattern recognition can lead to the diagnosis. MEGDEL syndrome (3-<u>Me</u>thyl<u>G</u>lutaconic aciduria, <u>...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2015, Feb 2
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| In: |
Neuropediatrics
Year: 2015, Jahrgang: 46, Heft: 02, Pages: 098-103 |
| ISSN: | 1439-1899 |
| DOI: | 10.1055/s-0034-1399755 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1055/s-0034-1399755 Verlag, Volltext: http://www.thieme-connect.de/DOI/DOI?10.1055/s-0034-1399755 
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| Verfasserangaben: | Saskia B. Wortmann, Peter M. van Hasselt, Ivo Barić, Alberto Burlina, Niklas Darin, Friederike Hörster, Mahmut Coker, Sema Kalkan Ucar, Zita Krumina, Karin Naess, Lock H. Ngu, Ewa Pronicka, Gilian Riordan, Rene Santer, Evangeline Wassmer, Johannes Zschocke, Manuel Schiff, Linda de Meirleir, Mohammed A. Alowain, Jan A. M. Smeitink, Eva Morava, Tamas Kozicz, Ron A. Wevers, Nicole I. Wolf, Michel A. Willemsen |
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| 245 | 1 | 0 | |a Eyes on MEGDEL |b distinctive basal ganglia involvement in dystonia deafness syndrome |c Saskia B. Wortmann, Peter M. van Hasselt, Ivo Barić, Alberto Burlina, Niklas Darin, Friederike Hörster, Mahmut Coker, Sema Kalkan Ucar, Zita Krumina, Karin Naess, Lock H. Ngu, Ewa Pronicka, Gilian Riordan, Rene Santer, Evangeline Wassmer, Johannes Zschocke, Manuel Schiff, Linda de Meirleir, Mohammed A. Alowain, Jan A. M. Smeitink, Eva Morava, Tamas Kozicz, Ron A. Wevers, Nicole I. Wolf, Michel A. Willemsen |
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| 520 | |a <p>Pediatric movement disorders are still a diagnostic challenge, as many patients remain without a (genetic) diagnosis. Magnetic resonance imaging (MRI) pattern recognition can lead to the diagnosis. MEGDEL syndrome (3-<u>Me</u>thyl<u>G</u>lutaconic aciduria, <u>D</u>eafness, <u>E</u>ncephalopathy, <u>L</u>eigh-like syndrome MIM #614739) is a clinically and biochemically highly distinctive dystonia deafness syndrome accompanied by 3-methylglutaconic aciduria, severe developmental delay, and progressive spasticity. Mutations are found in <i>SERAC1</i>, encoding a phosphatidylglycerol remodeling enzyme essential for both mitochondrial function and intracellular cholesterol trafficking. Based on the homogenous phenotype, we hypothesized an accordingly characteristic MRI pattern. A total of 43 complete MRI studies of 30 patients were systematically reevaluated. All patients presented a distinctive brain MRI pattern with five characteristic disease stages affecting the basal ganglia, especially the putamen. In stage 1, T2 signal changes of the pallidum are present. In stage 2, swelling of the putamen and caudate nucleus is seen. The dorsal putamen contains an “eye” that shows no signal alteration and (thus) seems to be spared during this stage of the disease. It later increases, reflecting progressive putaminal involvement. This “eye” was found in all patients with MEGDEL syndrome during a specific age range, and has not been reported in other disorders, making it pathognomonic for MEDGEL and allowing diagnosis based on MRI findings.</p> | ||
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