<p>A healthy 23-year-old woman presents with a 1-year history of an unsightly, non-tender, dimpled lesion on the right cheek that intermittently drains purulent discharge.</p>
<p>A 12-year-old healthy girl has had an itchy scalp and rash on the neck associated with swollen lymph nodes for the past few weeks. Her mother reports that several of her daughter’s friends at...
