Alternative name
Muscle specific tyrosine kinase antibodies
Description
Muscle specific tyrosine kinase antibodies are found in up to 70% of sero-negative (acetylcholine receptor negative) myasthenia gravis patients. They are believed to be pathogenic.
Indication
Autoantibody found in up to 70% of acetylcholine receptor negative myasthenia gravis patients.
Assay details
Radioimmunassay
Restrictions
Referred test: only available to neurology staff.
Reference range
Negative/positive
Turnaround time
28 days
Analysing laboratory
Churchill Hospital Department of Immunology