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Black or dark brown patches on the skin that may appear uneven in texture are a sign of which type of skin cancer?

Answer :

Final answer:

Black or dark brown patches on the skin that are uneven in texture can indicate melanoma, a serious form of skin cancer. Melanoma is characterized by asymmetrical patches with irregular borders, and learning the ABCD mnemonic can aid in early detection.

Explanation:

Black or dark brown patches on the skin that may appear uneven in texture are a sign of melanoma, which is a type of skin cancer. Melanoma is characterized by the uncontrolled growth of melanocytes, the pigment-producing cells in the epidermis. Typically, melanomas present as large, asymmetrical brown or black patches with uneven borders and a raised surface. They develop from moles and are the most fatal of all skin cancers due to their high metastatic potential and the difficulty in detecting them before they spread to other organs. The ABCD mnemonic - Asymmetry, Border irregularity, Color variation, and Diameter - can help in identifying suspect moles that may be melanomas.

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