OSTEOMA may be defined as a bony tumor, benign and discrete, with variations in the microscopic and morphologic appearance and of unknown cause. It may be considered malignant only in the sense that it has the capacity to grow, and in so doing to encroach on surrounding vital structures and menace the welfare and life of its host.
Osteoma of the frontal sinus is quite uncommon. I have discussed its occurrence with many otolaryngologists who are outstanding in their specialty and who have a very large practice, yet they have never seen a case of it. Most of the reports are of single cases, and the highest number reported by one man is 5, by Dowling1 in 1945. In 1941 Teed,2 in making a survey of all medical literature on the subject, found only 321 cases. In this survey he found a ratio of 172 men to 93 women
KING NE. OSTEOMA OF THE FRONTAL SINUS: Report of Five Cases. Arch Otolaryngol. 1950;51(3):316–324. doi:10.1001/archotol.1950.00700020338003
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