What is cancer FISH testing?

FISH detection

can detect different chromosome variants, including chromosome deletions, duplications, translocations, etc., which can help diagnose breast cancer, lung cancer and other diseases.

2

. Determine tumor type

FISH detection can detect copy number changes of specific genes, which is very important for the diagnosis and treatment of some cancers. For example, in HER2-positive breast cancer, the copy number of HER2 gene will increase.

3. Determine treatment plan

Patients can judge whether there is high expression of human epidermal growth factor receptor 2 by FISH detection, so as to determine whether targeted therapy can be carried out.