A Left Preauricular Mass

Abstract

A teenage boy presented with a 3-month history of a left preauricular mass. His medical history was notable for an atypical teratoid rhabdoid tumor of the left temporoparietal lobe diagnosed at age 3 years, which had been resected and treated with chemoradiation. Physical examination demonstrated a 2-cm firm, nontender, mobile mass without overlying skin invlvement. There was no palpable lymphadenopathy, but weakness of the frontal branch of the left facial nerve was noted. Magnetic resonance imaging (MRI) of the neck revealed a 1.0 × 1.7 × 1.9-cm mildly enhancing mass lateral to the left subcondylar mandible, which was inseparable from the anterior parotid gland (Figure, A).A superficial parotidectomy was performed. The superior division of the facial nerve was intimately associated with the parotid mass, and sacrifice of the upper division of the facial nerve branches with a cable nerve graft was required. The cut sur- ARTICLE INFORMATION