To diagnose melanoma, a dermatologist begins by looking at the patient’s skin. A dermatologist will carefully examine moles and other suspicious spots. To get a better look, a dermatologist may use a device called a dermoscope. The device shines light on the skin. It magnifies the skin. This helps the dermatologist to see pigment and structures in the skin. The dermatologist also may feel the patient’s lymph nodes. Many people call these lymph glands.
If the dermatologist finds a mole or other spot that looks like melanoma, the dermatologist will remove it (or part of it). The removed skin will be sent to a lab. Your dermatologist may call this a biopsy. Melanoma cannot be diagnosed without a biopsy. This biopsy is quick, safe and easy for a dermatologist to perform. This type of biopsy should not cause anxiety. The discomfort and risks are minimal.
If the biopsy report says that the patient has melanoma, the report also may tell the stage of the melanoma. Stage tells the doctor how deeply the cancer has grown into the skin.