Although most skin lesions are benign, any change or difference in skin tone or texture should be observed, as changes may indicate that a harmless skin lesion has become malignant. Diabetics and those suffering from weakened immune systems may have skin lesions as a result of the disease. Areas subjected to sun exposure, such as the tops of the feet, can be sites where cancerous skin lesions develop, such as malignant melanoma and actinic keratosis. AIDS or HIV-positive people may have Kaposi’s sarcoma lesions appear on the soles of the feet. These cancerous skin lesions are purplish in color, irregularly shaped, and spread out on the skin’s surface.
If you have a skin lesion that has changed in size, shape, or color, be sure to have it immediately checked by a medical professional. A podiatrist can assist you with skin lesions on the feet and legs. Suspicious or malignant skin lesions must be removed by a doctor.