X-linked myotubular myopathy: a clinical report and a review of the mild phenotype.

Abstract excerpt

INTRODUCTION: X-linked myotubular myopathy is a rare centronuclear myopathy that affects approximately 1 in 50,000 male newborns caused by pathogenic variants in the myotubularin 1 gene (MTM1). The clinical severity varies, however the need for ventilatory support occurs almost invariably. CASE REPORT: We report the case of a 4-year-old boy presenting mild muscle hypotonia at 12 months-old, expressive language...

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