Adult-onset nemaline myopathy: Another cause of dropped head
โ Scribed by Catherine Lomen-Hoerth; Martha L. Simmons; Stephen J. Dearmond; Robert B. Layzer
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 350 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0148-639X
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โฆ Synopsis
A 59-year-old man with severe neck extensor weakness had findings diagnostic of nemaline myopathy on muscle biopsy. Review of the literature shows that dropped head occurs in nearly half of the patients with adult-onset nemaline myopathy. Other leading causes of dropped head syndrome are amyotrophic lateral sclerosis, myasthenia gravis, and isolated neck extensor myopathy.
๐ SIMILAR VOLUMES
Most congenital myopathies are characterized by the presence of a specific structural alteration in the muscle fibers. Classic examples are central core disease and nemaline myopathy. However, in rare cases, two or more structural changes coexist in the same muscle biopsy, or in two different muscle