Neurilemoma of the parapharyngeal space.
D000328:Adult; D005260:Female; D006732:Horner Syndrome / Q000209:etiology; D006801:Humans; D008297:Male; D008339:Mandibular Neoplasms / Q000000981:diagnostic imaging; D009442:Neurilemmoma / Q000000981:diagnostic imaging*; D010610:Pharyngeal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography