Juvenile onset acid maltase deficiency presenting as a rigid spine syndrome.

Abstract excerpt

The rigid spine syndrome is a disorder characterized by proximal muscle weakness and limitation in flexion of the cervical and dorsolumbar spine. Such phenotype may be caused by a variety of hereditary myopathies. We present the case of a 15-years-old boy with rigid spine syndrome and severe restrictive respiratory changes. Muscle biopsy revealed vacuolar myopathy with excessive deposition of PAS-positive...

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