8 year old with patchy distribution of hair loss

The following case is an 8 year old boy presenting with patchy distribution of hair loss over the course of 8 weeks, with the following appearance.

8 year old with patchy distribution of hair loss

Please read the following vignette and board review questions. After you have decided on the answers, read the breakdown of the question and compare with your reading of the question. The answers and explanations follow 

Pediatric Board Review Question

Pediatric Board Review Questions

Pediatric Board Review Vignette Explanation

Pediatric Board Review Answers