Allison is a 36-year-old fair-skinned white woman who has spent too much time in the sun and has a family history of skin cancer. She presents with a lesion that is moderately suspicious for melanoma on her...
Angus, a 66-year-old farmer, comes in complaining of itchy bumps on his arms and dorsal hands. Over the last 5 years, he has received cryotherapy for individual actinic keratosis on 8 different occasions. ...