Melanoma is a type of skin cancer. It can begin in either an existing mole or as a new growth on your skin. Melanocytes can become damaged (often by the sun) and grow abnormally. This can cause a cancerous tumor. If left untreated, the tumor can begin to grow deeper into your skin’s surface. When this happens, there is a chance it can spread to lymph nodes or other parts of your body.
A mole is a growth on your skin. Moles develop when pigment cells in your skin, called melanocytes, grow in a cluster with tissue around them. Moles are very common. You most likely have between 10 and 40 moles on your skin. You may notice new moles on your skin until about age 40.
Normal moles can be identified by...
Many moles start small and flat and slowly grow in size, developing a raised surface. Over time (many years) they may flatten out, turn flesh-colored and disappear.
About 10 percent of the population has at least one mole that doesn’t look like normal moles. These kinds of moles are often called “dysplastic nevi.”
They can be identified by...
Dysplastic nevi are more likely than normal moles to develop into a type of skin cancer called melanoma. Melanoma can be fatal. Because of this, your health care provider should check any moles you have as part of your routine health care.
If a mole changes in size, color, shape or in any other way, you should have it checked.
The most common sign of melanoma is a change in an existing mole. This may include the shape, color, size or feel. Melanoma can also appear as a new mole.
Using “ABCDE” will help you remember the signs of melanoma:
A mole can show one or more of the signs listed above. If you have a question or concern about a mole, please call your health care provider.
If you have an abnormal-looking mole, your health care provider may order a biopsy of it. A biopsy removes the mole or a sample of tissue for testing under a microscope.
If you do have melanoma, you and your health care provider will work together to develop a treatment plan that is right for you.
Find a dermatologist or schedule an appointment with your primary care provider.
Do skin self-exams on a regular basis:
You do not need to avoid the sun. A few easy actions on your part can help you safely enjoy outdoor activities and stay active.
Learn how Allina Health cares for melanoma skin cancer patients.
We created this collection of information and support to help you through this time.