2510. Muscle specific kinase antibodies (anti-MuSK)
Description
The muscle-specific receptor tyrosine kinase (MuSK) antibody test is used to diagnose myasthenia gravis (MG) in people with signs and symptoms associated with MG but a negative acetylcholine receptor (AChR) antibody test.
Testing is used to differentiate MuSK MG from other conditions that can cause similar symptoms, such as chronic muscle fatigue and weakness.
When and who needs the test?
- myasthenia gravis (MG);
- atypical symptoms (atypical muscle weakness, facial involvement and difficulty breathing) in rheumatoid arthritis, SLE;
- monitoring to assess the progression of MuSK MG and response to treatment.
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...
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