What is the HER 2-NEU staining lab test?
A HER 2-NEU staining lab test measures the amount of HER 2-NEU protein on cancer cells or how many copies of HER 2-NEU gene are present on the DNA of cancer cells.
Why is the HER 2-NEU staining lab test done?
- To determine if a tumor is HER 2 positive,
- To predict the course of treatment,
- To see if the cancer is responding to treatment,
- To see if the cancer has returned after treatment.