There are 3 basic types or classifications of moles: regular moles, irregular moles and cancerous moles.
1. Regular Moles
Regular moles are the benign moles that are not harmful to your overall health. These blemishes are typically symmetrical in shape, have uniform color and regular borders. Regular ones are about the size of a pencil eraser or smaller and may be raised or flat. Just like the other mole types, these noncancerous moles may also come with associated hairs.
2. Irregular Moles
Also known as atypical moles, dysplastic nevi or Clark's nevi, irregular moles are normally asymmetrical in shape, with multiple or dark colors and irregular borders. These moles are typically bigger than the size of a pencil eraser and in most cases are flat or nearly flat. This is one of the most important ways of distinguishing between the regular and irregular moles. While most individuals will consult a doctor with regards to raised ones, it is actually the flat moles that provide a reason for medical concern. Your overall risk of developing melanoma is increased if you have more than 20-25 irregular or dysplastic moles. The risk of melanoma is further increased if you have a giant congenital mole that's bigger than 8-10 inches in size.
Irregular moles comprise of irregular or abnormal cells with the potential of transforming or becoming cancerous over time. However, this does not mean that all irregular ones will always develop into a melanoma or cancer. Irregular moles may appear anywhere on your body, but are most often located on sun-exposed skin, especially on your shoulders and upper back where you get the most severe sunburn. The ears are another common location for atypical moles, due to the difficulty of applying sunscreen in this area, as well as the fact that they are frequently exposed to the sun.
3. Cancerous Moles
Cancerous moles are similar to melanomas in that they are very irregular and have already turned malignant. You are more likely to develop melanoma on skin that has been damaged by the sun such as the upper back, neck, head and shoulders. It is possible for some regular ones to evolve into irregular or cancerous moles over time. It is therefore important to closely watch your moles for any changes or atypical features. Be sure to also undergo monthly skin self-examinations, as well as an annual full-body mole examination carried out by a qualified dermatologist. This will provide for early detection of abnormal moles and melanoma.
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Joan One is a freelance journalist and creative writer who immensely enjoys writing and researching into any topic under the Sun. She specializes in writing "green" eco-friendly topics aimed at enabling environmentally conscious readers to find simple ways to reduce their carbon footprint and help save our planet.
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