Acne, psoriasis, chickenpox, and other conditions may cause skin lesions. Seek medical attention if you have a rash or an infection or your lesions resemble those caused by MRSA or cellulitis. A skin ...

A sclerotic lesion is an unusual hardening or thickening of your bone. They can affect any bone and be either benign (harmless) or malignant (cancerous). In general, they’re slow-growing. Both benign ...