Purpose of the Test
- Determine patient response to immunotherapy drugs.
- Screen for hereditary Lynch syndrome.
- Evaluate the efficiency of the DNA mismatch repair (MMR) system.
Book MSI Cancer Testing in Saudi Arabia | Lahalak Medical Platform
MSI testing identifies tumor response to immunotherapy and screens for hereditary Lynch syndrome, providing a precise, personalized treatment plan tailored to your specific medical needs and oncological profile.
Scientific name: Microsatellite Instability (MSI) Testing
An advanced molecular test measuring DNA sequence length changes. It diagnoses DNA mismatch repair deficiency (dMMR) to determine immunotherapy effectiveness and screen for hereditary cancer syndromes like Lynch syndrome.
Service type
Molecular Genetic Testing
Duration
7-10 working days
Fasting
Fasting is not required
Included Services
- Tissue or blood sample analysis
- Detailed genetic report
- Medical consultation for results
Medical Service Information
Target Groups
- Patients diagnosed with colorectal cancer.
- Individuals with a strong family history of oncological conditions.
- Patients being considered for modern immunotherapy.
Clinical Significance
- A positive result (MSI-H) guides the physician toward immunotherapy.
- Results help define preventive screening protocols for family members.
- Improves survival rates by selecting the most precise treatment.
Conditions & Notices
- Requires a tumor tissue biopsy sample
- Previous medical reports are recommended
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