Melanoma diagnosis can be done by a physical examination. During the exam, your dermatologist will examine your skin looking for lesions that can indicate melanoma. Your dermatologist may suspect melanoma based on the appearance of the lesion. In some cases, he can complete the exam by a dermatoscopic analysis, analysis of the skin lesion with a specific microscope.
However, to confirm the diagnosis, a biopsy is necessary. Your physician will remove samples from the suspect lesion (biopsy) for laboratory analysis. This histological examination is essential to accurately confirm that you have melanoma. Besides the confirmation of the disease, biopsy can also you’re your doctor measure the exact deepness or thickness of the lesion in your skin.