A 19-year-old white woman with a 4-year history of a rash localized to her left arm and hand. The lesion started as a small plaque on her forearm and gradually spread in a linear fashion from her fingertip to her upper arm.
A 19-year-old white woman with a 4-year history of a rash localized to her left arm and hand. The lesion started as a small plaque on her forearm and gradually spread in a linear fashion from her fingertip to her upper arm.
A 19-year-old white woman with a...