AN OSTEOMA of the frontal sinus was - formerly considered a rare condition. Now there are an increasing number of cases being reported. There were 18 cases diagnosed from among 840,000 patients over a seven-year period at the Kasr-EI-Ainy Hospital in Cairo, Egypt.1 Two cases were seen among 48,000 patients at St. Joseph's Hospital, Ann Arbor, Mich., in 21 years. Teed collected 321 cases from the literature in 1941.2 However, Dowling in 1945 reported 5 cases that were found among 7,000 patients over a two-year period.3 Vadala and Somers in 1949 saw six cases in six months at the Fitzsimmons Army Hospital in Denver.4 King reported seven cases in one year.5 Newell reported four cases from Chicago in 1948.6 Colver saw five cases in Los Angeles in 1948 and 1950.7 The Mayo Clinic had 40 cases in a 20-year period ending in 1950.8 Five cases were seen at Brooke Army Hospital
HENRY SM. OSTEOMA OF THE FRONTAL SINUS WITH EYE DISPLACEMENT. AMA Arch Otolaryngol. 1955;62(4):432–435. doi:10.1001/archotol.1955.03830040086015
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