NEW YORK (Reuters Health) - Identifying pigmented moles that look different from a person's other moles -- the "ugly duckling sign" -- is a practical way to spot malignant melanoma skin cancer, ...

Birthmarks and moles are types of skin markings that are mostly harmless. But because moles may rarely turn into skin cancer (melanoma), it's important to be able to tell these skin issues apart. A ...

Moles, which occur when pigment cells called melanocytes cluster together, are very common. Most people have 10-40 moles on their skin, especially on sun-exposed areas. How many moles you have may ...

Clinicians see many skin conditions in the primary care setting. Medscape talked with a primary care clinician, Charles P. Vega, MD, and a dermatologist, Temitayo A. Ogunleye, MD, to learn their ...

The histology of our second case revealed dysplastic nevus with severe atypia. The presence of nevus cells on the lateral margin of a dysplastic nevus with severe dysplasia requires wider excision. In ...