Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0026838 (spasticity)
 6,471 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We present a case of megalencephalic leukoencephalopathy with subcortical cysts without macrocephaly and who initially presented with severe psychiatric symptoms. The patient presented with presented with late-onset secondary generalized focal motor seizures, gait ataxia and mild spasticity with hyperreflexia. MRI showed diffuse white matter hyperintensities and bilateral anterotemporal cysts. Genetic analysis confirmed the causal MLC1 mutation and Turner's syndrome. Surprisingly, our patient had no macrocephaly, which is a typical finding in MCL1 mutations; we emphasize that comorbid unrelated Turner's syndrome could explain the absence of macrocephaly: although short stature is typical, microcephaly is not associated with Turner's syndrome. Our observation thus argues for detailed investigations in cases presenting with an atypical clinical picture.
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PMID:Megalencephalic leukoencephalopathy with subcortical cysts without macrocephaly: A case study of comorbid Turner's syndrome. 3130 77

Megalencephalic leukoencephalopathy (MLC) with subcortical cysts, also known as Van der Knaap disease (MIM #604004) is an autosomal recessive neurological disorder characterized by early onset macrocephaly, epilepsy, neurological deterioration with cerebellar ataxia and spasticity. An 8-month-old boy was admitted to our pediatric neurology clinic with macrocephaly. His brain magnetic resonance imaging (MRI) revealed bilateral, diffuse, symmetric structural white matter abnormalities, relatively sparing the cerebellum and bilateral subcortical temporal cysts. The diagnosis of Van der Knaap disease was suspected based on the clinical features and imaging findings and the genetic analysis revealed a novel homozygous c.768+2T>C mutation of the MLC1 gene. For determination of the novel splice-site mutation's effect, cDNA amplification was performed. cDNA analysis showed that the splice-site c.768+2T>C mutation gave rise to exon 9 skipping.
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PMID:A Novel Splice-site Mutation on the MLC1 Gene Leading to Exon 9 Skipping and Megalencephalic Leukoencephalopathy with Subcortical Cysts in a Turkish Patient. 3194 23


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