Muscle specific receptor tyrosine kinase antibodies (MUSK)

Last updated: Tuesday, 07, August, 2007
Item Process
Specimen

5mL blood in  plain tube on melting ice.

Method

Immunoassay

Reference Interval

Consult pathologist

Interpretation

Found in up to 70% of patients with myasthenia gravis who are negative for acetyl choline receptor antibodies.

Reference

Palace, J. et al, 2001 Myasthenia gravis; Diagnostic and management dilemmas. Current opinion in neurology 14(5): 583-589