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Case Report

An atypical presentation of severe congenital contractures and lack of cerebellar involvement in a patient with a novel LAMA1 mutation

Ameur Ammari, Amal Alhashem, Hanen Abdelraouf, Fatma Alzahrani, Fowzan Sami Alkuraya, Brahim Tabarki.


Background: LAMA1 gene is mutated in patients with Poretti-Boltshauser syndrome, which include mainly the characteristic neuroimaging findings of cerebellar dysplasia and cysts.
Case Presentation: We present a novel homozygous LAMA1 variant that is predicted to cause atypical phenotype of severe arthrogryposis, feeding difficulties, developmental delay, retinopathy, and no cerebellar involvement.
Conclusion: Our findings are suggestive of absence of cerebellar involvement in LAMA1 mutations in some cases and phenotype may include severe arthrogryposis.

Key words: Case report, LAMA1 gene, arthrogryposis, cerebellum

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