How to distinguish between moles and melanoma

Moles and melanomas differ in several aspects. Below are their main differences: 1. Shape and borders: Moles are typically round or oval with smooth edges and clearly defined boundaries from surrounding skin. In contrast, melanomas have irregular shapes, uneven borders, and poorly defined margins. 2. Size and diameter: Moles usually have a diameter of about 1–2 centimeters or less than 5 millimeters. Melanomas generally have a diameter exceeding 5 millimeters and may be even larger. 3. Texture: Moles tend to be relatively soft, whereas melanomas are usually firmer in texture. 4. Growth rate and changes: Moles grow slowly and may remain stable for a long time. Melanomas, however, grow rapidly, noticeably increasing in size over a short period, and may be accompanied by symptoms such as itching, pain, bleeding, or ulceration. 5. Risk of metastasis: Moles generally do not metastasize, while melanomas carry a potential risk of spreading to lymph nodes, liver, bones, and other sites. Moles and melanomas show significant differences in shape, size, texture, growth rate, and metastatic potential. If you have any concerns, it is recommended to seek prompt medical evaluation for professional diagnosis.