title: Sphenoidal mucocele presenting as acute cranial nerve palsies.
abstract: Sphenoidal sinus mucoceles are indolent lesions that, when sufficiently large, can compress on the optic canal or superior orbital fissure, rapidly causing loss of vision, optic neuropathy, ptosis, pain, ophthalmoplegia, and diplopia. We herein report a 72-year-old gentleman who presented acutely with Cranial Nerve II, III, and IV palsies secondary to a sphenoidal sinus mucocele that was confirmed on magnetic resonance imaging and successfully treated with endoscopic drainage. This cause of orbital apex syndrome is important for clinicians to know as early diagnosis and treatment is critical in recovering visual potential.
authors: Department of Ophtalmology, Tan Tock Seng Hospital, Singapore.
authors: Clarissa S M
authors: CS
authors: Cheng
authors: Srinivasan
authors: S
authors: Sanjay
authors: Chee Chew
authors: CC
authors: Yip
authors: Heng-Wai
authors: HW
authors: Yuen
keywords: Acute cranial nerve palsies; CT scan; Endoscopic sinus surgery; MRI scan; Sphenoidal mucocele
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