R. NICKBRYANMDS. JAMESZINREICHMD
A 2-YEAR-OLD BOY presented to the emergency department with a 3-month history of left-sided facial swelling, which had worsened during the past month. There was a firm 2 × 3-cm mass within the masseteric muscle, anterior to the angle of the mandible. There was no fluctuance or cellulitis, but the mass was tender to palpation. There was no history of fever or rash. The patient had no medical history, and there were no other lesions noted on physical examination. He was admitted for intravenous antibiotic therapy, which resulted in some resolution of the facial swelling.
Galli SKD, Lebowitz RA. Radiology Quiz Case. Arch Otolaryngol Head Neck Surg. 2001;127(8):1005. doi:10.1001/archotol.127.8.1005