Skeletal muscle antibodies - serum
Last updated: Friday, 26, March, 2004
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5 mL blood in plain tube.
| Reference Interval|
Assessment of patients with documented myasthenia gravis; detected in 40% of affected subjects, but in over 90% of those with thymoma.
Acetylcholine receptor antibodies should also be requested.
A positive result indicates that the possibility of thymoma should be actively investigated.
Skeie G. Annals of the New York Academy of Science 2003; 998: 343-350.