Keratoses

(credit: Joe Raedle/Getty Images)

Seen At 11: New Treatments Go Below The Surface To Stop Skin Cancer Before It Starts

Actinic keratoses look like red, scaly patches and are usually found on sun-exposed skin like backs of hands, balding scalps, ears, and the face. The keratoses can usually be frozen off with liquid nitrogen, but they could signal a more serious problem.

06/10/2013