PT  - JOURNAL ARTICLE
AU  - Abou-Elhamd, Kamal-Eldin A.
TI  - Frontal sinus cementifying ossifying fibroma
DP  - 2005 Mar 01
TA  - Saudi Medical Journal
PG  - 470--472
VI  - 26
IP  - 3
4099  - http://smj.org.sa/content/26/3/470.short
4100  - http://smj.org.sa/content/26/3/470.full
SO  - Saudi Med J2005 Mar 01; 26
AB  - Cementifying ossifying fibroma is a fibro-osseous lesion which produces cementum. Cementifying ossifying fibroma is a mesodermal, non-odontogenic tumor of ectopic multipotential periodontal membrane blast cells. Although, it is a benign bone tumor, it has an aggressive destructive behavior in patients under 20 years of age with high tendency for recurrence. Cementifying ossifying fibroma can be recognized microscopically by the presence of cementicles. This is a case of frontal sinus cementifying ossifying fibroma presenting with proptosis in a 39-year-old male.