Case 1:
The mother of this 6-year-old girl brings her to your office for evaluation of an itchy rash that started on her left cheek at the end of December. Another physician prescribed cephalexin for presumed impetigo; the rash abated but did not completely clear. During the past 2 to 3 weeks, new lesions have appeared on the child's neck, arms, and trunk.
What do you suspect?
A. Impetigo with inadequate treatment course.
B. Methicillin-resistant Staphylococcus aureus (MRSA) infection.
C. Dermatophyte infection.
D. Granuloma annulare.
E. Contact dermatitis.
What action would you take?
F.Prescribe a different antibiotic.
G. Order a bacterial culture.
H. Perform a potassium hydroxide (KOH) examination.
I. Perform a biopsy.
J. Perform patch testing.
