Congenital myopathies
RSS feedSporadic nemalin myopathy with atypical skin involvement responding to immunoglobulins
A Danish team presents the case of a 59-year-old woman with atypical sporadic late-onset nemaline myopathy (SLONM): skin manifestations (redness and phlyctenes on the extremities and trunk) preceded the onset of neuromuscular symptoms by one year; the residual thymus showed follicular hyperplasia; Muscle biopsy revealed rods and abnormal mitochondria; the electromyogram revealed not only myopathic … [Read more]
New type of histological abnormalities in congenital nemaline myopathies
French clinicians report, in five patients with congenital rod myopathy (also called nemaline), histological lesions in the form of dense protein masses: none of the patients were related, in three of them pathological variants of the NEB gene encoding nebulin were identified, in another, the TPM2 gene encoding tropomyosin-2 was involved, the clinical phenotype was … [Read more]