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Clinical Problem Solving: Pathology
September 2003

Pathology Quiz Case—Diagnosis

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Copyright 2003 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2003

Arch Otolaryngol Head Neck Surg. 2003;129(9):1016-1017. doi:10.1001/archotol.129.9.1015

Osteomas, which are slow-growing benign lesions of bone, belong to the fibro-osseous family of tumors. They are found almost exclusively in the head and neck, with the mandible being the most common location.1 Osteomas of the paranasal sinuses, which is the second most commonly affected area, are the most common benign tumors of this region, with an incidence of 0.43% to 1%.2,3 They most frequently present within the frontal sinus, followed by the ethmoidal labyrinth, maxillary antrum, and, rarely, the sphenoid sinus.1,3 Osteomas may occur at any age but usually present in the second to fourth decades of life, with a slight male predilection.4

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