Thomsen disease
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It has been suggested that this article or section be merged with Myotonia congenita. (Discuss) Proposed since April 2009. |
| Thomsen disease | |
|---|---|
| Classification and external resources | |
| ICD-10 | G71.1 |
| ICD-9 | 359.2 |
| OMIM | 160800 |
| DiseasesDB | 8736 |
| MeSH | D009224 |
Thomsen disease, a form of Myotonia congenita, is a muscular genetic disorder characterized by muscle stiffness (cramp) and an inability of the muscle to relax after a voluntary contraction. The affected muscle functions normally after a few repetitions.
Contents |
[edit] Causes
It is associated with mutations in the chloride channel gene CLCN1.
[edit] Presentation
The disorder only affects voluntary muscles, so involuntary muscles such as the heart or muscles involved in the digestion process are not affected.
[edit] Treatment and prognosis
There is no known cure but some drugs may relieve symptoms. These include: Dilantin, Procainamide, Phenytoin and Mexiletine.
The disease is not fatal but when the muscles tighten up, the person with MC can fall. What they fall on will determine the outcome of the fall.
[edit] History
Julius Thomsen, a Danish physician, was the first to describe the disease, citing symptoms of his own family members.
[edit] External links
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