Management of Invasive Frontoethmoidal Sinus Mucoceles

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Abstract
• Invasive frontoethmoidal sinus mucoceles extending into the anterior cranial fossa or orbits are difficult to manage and can lead to lethal complications. In the past four years, nine cases of frontoethmoidal mucoceles were treated at the University of Texas Medical Branch, Galveston. Five cases were complicated by anterior cranial fossa invasion, orbital invasion, or both. The choice of surgical procedures used to manage these cases depended on mucocele extent and location, which were best determined by computed tomography. Two cases required craniotomy, one of which required an inferior-based pericranial flap for reconstruction of the floor of the anterior cranial fossa. Two cases were managed by osteoplastic flap and fat obliteration procedures. Intranasal drainage was the procedure used in one case that had extensive orbital involvement. Surgical complications included an intracranial abscess in one patient and a cerebrospinal fluid leak in a second patient. (Arch Otolaryngol Head Neck Surg 1986;112:1060-1063)

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