Question 1

Importance of Genetic Testing

Accepted Answer

Determines the effectiveness of anti-EGFR targeted therapy. Avoids ineffective treatments and unnecessary side effects. Provides the physician with insights into the tumor's biological behavior.

Question 2

Who Should Get This Test

Accepted Answer

Patients with advanced or metastatic colorectal cancer. Patients being evaluated for targeted chemotherapy protocols. Cases requiring re-evaluation of the current treatment plan.

Question 3

Understanding Results

Accepted Answer

Wild-type: No mutations found, suggesting potential benefit from targeted therapy. Mutant: Mutation detected, indicating the tumor may not respond to certain drugs. BRAF V600E: Provides additional prognostic information regarding the disease course.

Advanced Colorectal Cancer Genetic Testing - KRAS, NRAS, and BRAF Mutational Analysis