J Rhinol.  2010 Nov;17(2):118-120.

Fronto-Ethmoidal Osteoid Osteoma with Orbital Extension

Affiliations
  • 1Department of Otolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea. lhman@korea.ac.kr

Abstract

An osteoid osteoma is a benign tumor that is usually located in the cortex of long bones and vertebrae and rarely involves paranasal sinuses. We report a case of a 58-year-old woman with right epiphora, orbital pain, and exophthalmos. The mass was removed via an external frontoethmoidectomy approach. After surgery, the patient reported prompt relief of the orbital pain and epiphora, and opthalmologic examination showed improvement of exophthalmos. The post-operative CT scan of the paranasal sinus obtained 1 year later showed no evidence of tumor recurrence or complication. Although osteoid osteoma is rare in paranasal sinuses, it should be considered if there is a bone density mass and complete excision should be performed with care.

Keyword

Osteoma; Osteoid; Exophthalmos
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