Atypical moles and melanoma can have similar features, such as asymmetry, larger than 6 millimeters (mm), and blurred borders. Other signs of melanoma may include itchiness, pain, or rapid changes in ...

Benign moles are noncancerous skin growths. They are typically symmetrical with a rounded shape and a smooth edge. A mole is a small collection of skin cells. It’s also known as a nevus (the plural is ...

Some dysplastic nevi look extremely similar to melanoma and a biopsy may be needed to tell them apart. Dysplastic nevi (singular: nevus), also called Clark’s nevi, are atypical moles that look ...