Magnetic resonance imaging of muscle in nemaline myopathy

H. Jungbluth, C.A. Sewry, S. Counsell, J. Allsop, A. Chattopadhyay, E. Mercuir, K. North, Nigel Laing, G. Bydder, K. Pelin, C. Wallgren-Pettersson, F. Muntoni

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99 Citations (Scopus)


We report muscle MRI findings of 10 patients from 8 families with nemaline myopathy. Patients with involvement of the nebulin (NEB) gene showed a consistent pattern of selective muscle involvement corresponding to clinical severity. In mild cases. there was complete sparing of thigh muscles and selective involvement of tibialis anterior and soleus. In moderate cases, there was predominant involvement of rectus femoris. vastus lateralis and hamstring muscles and diffuse involvement of anterior compartment and soleus. Patients with nemaline myopathy secondary to mutations in the skeletal muscle alpha-actin (ACTA1) gene showed diffuse involvement of thigh and leg muscles with relative sparing of the gastrocnemii. Selective muscle involvement in both genetic categories was distinct from what has been reported in other congenital myopathies We conclude that muscle MRI may be applied to distinguish nemaline myopathy from other conditions with similar clinical and histopathological features, to supplement clinical assessment in individual patients and to help direct genetic testing. (C) 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)779-784
JournalNeuromuscular Disorders
Issue number12
Publication statusPublished - 2004


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