C-KIT Mutation Detection/Bone Marrow

What is the purpose of the C-KIT mutation test?

The test is used to detect mutations in the C-KIT gene, which encodes a receptor tyrosine kinase. Mutations in this gene are associated with gastrointestinal stromal tumors (GISTs), mastocytosis, and some leukemias. It helps in diagnosing and guiding targeted therapy.


Who should consider undergoing this test?

Patients diagnosed with GISTs, certain types of leukemia, or mast cell disorders may be advised to undergo this test. Identifying mutations helps in selecting tyrosine kinase inhibitors like imatinib for treatment.


What sample is required for testing?

The test usually requires a tissue sample obtained during biopsy or surgery. In hematologic cases, peripheral blood or bone marrow samples may be used.


What do the results mean?

A positive result indicates the presence of a C-KIT mutation, which may influence both prognosis and treatment. Different mutations (e.g., exon 11 vs. exon 17) may respond differently to therapy, so specific mutation details matter.


How long does the test take?

The turnaround time for C-KIT mutation testing is usually 7–14 days, depending on lab capabilities and the method used. Your physician will review the results with you once available.