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Article
August 1984

Sphenoid Sinus Mucocele: An Infrequent Finding

Author Affiliations

From the Neuro-ophthalmology Unit, University Hospital, Faculty of Medicine of Ribeirao Preto, University of Sao Paulo, Brazil.

Arch Neurol. 1984;41(8):897-898. doi:10.1001/archneur.1984.04050190107025
Abstract

Sphenoid sinus mucocele is a rare occurrence. Since the original description by Berg in 1889,1 81 cases had been reported worldwide in the literature by 1970. Etiology is controversial. Hypotheses have been advanced of slow and progressive accumulation of secretions due to obstruction of the draining ostium caused by chronic sinusitis,1,2-4 cystic dilatation of glandular mucous cells,3,5 cyst formation by embryonic pituitary rests,1 and an unusual form of craniopharyngioma.1 The sphenoid sinus maintains intimate anatomic relationships with the first six cranial nerves, with the dura mater, internal carotid arteries, cavernous sinus, pituitary, upper orbital fissure, optic chiasma, sphenopalatine nerve, and nerve of the pterygoid canal.1,4 Cystic dilatation with compression of these structures determines the signs and symptoms observed.3

REPORT OF A CASE  A 33-year-old woman was admitted to the hospital on July 15, 1982, with complaints of left frontal headache that had been

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