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Intradural extension of mucocele complicating frontoethmoid sinus osteoma: case report
1Department of Neurosurgery, Yokohama City University School of Medicine, Kanagawa-ken, Japan.
Background:
Osteomas of the paranasal sinus are often asymptomatic and are sometimes complicated by mucoceles, but intradural extension of such a mucocele has rarely been reported.
Case Description:
This 67-year-old man with complaint of headache was diagnosed as having an intradural extension of a mucocele complicating an osteoma of the frontoethmoid sinus. A right frontobasal craniotomy was performed and a mucocele in the frontal sinus extending into the frontal lobe through two dural defects and the osteoma was removed completely. The patient was successfully treated without recurrence.
Conclusion:
The importance of radical surgery for such lesions and the relationship between osteomas and mucoceles are discussed.