If your dermatologist finds an abnormal mole or growth that appears suspicious, then a simple test known as a biopsy needs to be done. It is a quick test that takes 5-10 minutes and a small skin sample is removed after a quick numbing injection. 1-2 stitches are usually applied to close the wound and this will heal in 1-2 weeks.
The skin is then sent to a specialised lab to be examined under the microscope by another dermatologist. Typically, the final report that tells you whether the mole is a skin cancer or not will be available after a week.
