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A child of congenital muscular dystrophy-dystroglycanopathy with homozygous missense variation in exon 3 of the ISPD Gene: A rare case from Odisha
oleh: Sebaranjan Biswal, Debasish Panigrahi, Nirmal Kumar Mohakud, Manoj Kumar, Natabara Swain
Format: | Article |
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Diterbitkan: | Wolters Kluwer Medknow Publications 2020-01-01 |
Deskripsi
Dystroglycanopathy is a type of congenital muscular dystrophy caused by mutations causing defective glycosylation of a dystrophin-associated glycoprotein, dystroglycan and as such is a very rare disease entity. We are reporting a 1-year-old girl child with dystroglycanopathy who presented with motor predominant developmental delay. She had motor development quotient of 52, mental development quotient of 75, facial dysmorphism, mixed hypotonia with a global decrease in muscle power, and areflexia. Serum CPK level was elevated; magnetic resonance imaging brain revealed multiple intraparenchymal cysts in the cerebellum with disorganized folia. Next-generation sequencing revealed a homozygous missense mutation in exon 3 of the ISPD gene (p.Gln215His; ENST00000407010) consistent with the diagnosis of dystroglycanopathy muscle-eye-brain disease. Genetic counseling and prenatal diagnosis for subsequent pregnancies were advised for the family, apart from appropriate rehabilitation for the child.