Today, you are examining a 4 year old boy, Samuel. During h…
Today, you are examining a 4 year old boy, Samuel. During his preschool physical, you note that he has an area (2cm) on his scalp near the posterior left hairline that has much less hair and some scaling in the hairless area. You also note that he has some mild left posterior cervical lymphadenopathy. Which of the following is nearest the top you your differential diagnosis list?