title: Adenoid cystic carcinoma presenting as an orbital apex syndrome.
abstract: Adenoid cystic carcinomas (cylindromas) are distinctive neoplasms characterized by slow growth, perineural spread, extensive local invasion, frequent recurrence, and high mortality. A case of paranasal sinus adenoid cystic carcinoma presenting as an orbital apex syndrome is described.
mesh_terms: D000328:Adult; D003528:Carcinoma, Adenoid Cystic / Q000175:diagnosis* / Q000473:pathology; D002426:Cavernous Sinus / Q000473:pathology; D005260:Female; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000175:diagnosis; D009915:Orbit / Q000473:pathology; D009918:Orbital Neoplasms / Q000175:diagnosis* / Q000473:pathology; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis* / Q000473:pathology; D011247:Pregnancy; D011252:Pregnancy Complications, Neoplastic / Q000175:diagnosis* / Q000473:pathology; D014057:Tomography, X-Ray Computed