USMLE® Step 1 style questions USMLE
A 12-year-old girl is brought to the primary care office by her father because of swelling, pain, and erythema of her left cheek just in front of her ear and the left side of her jaw for the past week, causing her difficulty when eating. The patient's medical history shows that she has not had her routine booster immunizations. Physical examination shows that she has a fever of 38.9°C (102°F) and her mouth is extremely dry with no purulence noted. Which of the following is the most likely diagnosis?