A 24 year old female patient with normal vital signs present…

A 24 year old female patient with normal vital signs presents with lesions on her lip that erupted after she endured a tingling and burning sensation in the same area.  All other areas of her skin are normal. She says no one else in her family has this symptom. The patient is very worried  about them  clearing up before her wedding in two weeks. The lesions appear as vesicles surrounded by an erythematous base.  Your top differential diagnosis is most likely:

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?