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Neurology India
Medknow Publications on behalf of the Neurological Society of India
ISSN: 0028-3886
EISSN: 0028-3886
Vol. 55, No. 1, 2007, pp. 50-53
Bioline Code: ni07014
Full paper language: English
Document type: Research Article
Document available free of charge

Neurology India, Vol. 55, No. 1, 2007, pp. 50-53

 en Multi-minicore disease: A rare form of myopathy
Sharma MC, Gulati S, Sarkar C, Jain D, Kalra V, Suri V


Background: Multi-minicore disease is a rare form of myopathy characterized by slowly progressive or nonprogressive muscle weakness and characteristic multiple cores within the muscle fibers. To the best of our knowledge, this is first documentation of the clinicopathological features of this rare entity from India.
Materials and Methods: A ll cases of multi-minicore disease diagnosed in our laboratory were retrieved. Clinical and pathological features were reviewed.
Result: During a period of two years (January 2004 to December 2005), we received 985 muscle biopsies for various reasons. Of which, 15 were diagnosed as myopathies and four of which were of multi-minicore disease. Thus, multi-minicore disease comprises 0.40% of all muscle diseases and 26.6% of all myopathies. All were male and presented in early childhood (first decade of life) with generalized hypotonia and muscle weakness. All of them had dysmorphic facies and three had high arched palate. CPK levels were normal and EMG was myopathic except in one patient. Microscopic examination revealed minimal changes with Type I fibers′ predominance but characteristic multiple cores in the myofibers. Ultrastructural examination showed both structured and unstructured cores.
Conclusions: Multi-minicore disease, although a rare form of myopathies, should be suspected in children who present with generalized hypotonia and slowly progressive muscle weakness along with dysmorphic facies.

Central core, core disease, histochemistry, multiminicore disease, myopathy, ultra structure

© Copyright 2007 Neurology India.
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