CONGENITAL NEUROMUSCULAR DISEASE WITH UNIFORM TYPE-1 FIBERS SIMULTANEOUSLY PRESENTING GLUTEAL MUSCLES CONTRACTURE AND BRAIN ATROPHY: A CASE REPORT

Abstract

We report the clinical presentation and pathological findings of congenital neuromuscular disease with uniform type-1 fibers presenting on an 11-year-old girl with the clinical diagnosis of unilateral (right-side) gluteal contracture and brain atrophy. CT image showed that right gluteus maximus muscle was atrophic. Brain MRI showed mild bilateral ventricular dilation and widening of the lateral fissure. A biopsy of quadriceps muscle revealed only uniformity of type-1 fibers with the absence of cores, and mild decrease of activity on oxidative enzyme staining. Although the exact cause of congenital gluteal muscle contracture is still not clear, we presume that the congenital gluteal muscle contracture may be caused by the neuromuscular disease with uniform type-1 fibers and this is the first case report of neuromuscular disease with uniform type-1 fibers complicated with brain atrophy in China.