Volume 13, Issue 50 (4-2006)                   RJMS 2006, 13(50): 33-38 | Back to browse issues page

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Abstract:   (10720 Views)

    Introduction: Aneurysmal bone cyst(ABC) is a benign lesion with variable and expansile growth that can occur in any part of the skeletal, mainly in long bones and vertebra. ABC in paranasal sinuses is rare with only 7 previous cases having been describes in the ethmoid, sphenoid and frontal sinuses. Case Report: We present a case of ethmoidal sinus ABC in a 15-year-old female presenting nasal obstruction, epistaxis, proptosis and lateral displacement of left orbit. Conclusion: PNS-CT revealed an expansile mass centred over the left ethmoidal sinus extending to left orbit and anterior cranial fossa with destroying the fovea ethmoidalis. MRI revealed the presence of a large cystic expansile mass and presence of multiple fluid levels within. Complete en-bloc excision was performed by using left frontal craniotomy approach, followed by immediate reconstruction of the nasal vault by using a split calvarial bone graft in combination with left ethmoidectomy and partial maxillectomy using left lateral rhinotomy approach.

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Type of Study: case report | Subject: ENT

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