📝 “What are the Key Differences Between the Central Ossifying Fibroma and the Ossifying Fibroma?”

7.29.24 Quick Review #190 - #pathology #oralpathology #doctorgallagher #oralsurgery #oralsurgeon #dentist #dentistry #dental Central Ossifying Fibroma (COF) and Ossifying Fibroma (OF) are both benign fibro-osseous lesions of the jaw: Central Ossifying Fibroma (COF) Clinical Features: • Age and Gender: Commonly affects adults, with a higher prevalence in females. • Location: Often occurs in the mandible, particularly in the premolar and molar regions. • Symptoms: Slow-growing and asymptomatic initially, but can cause facial asymmetry and displacement of teeth as it enlarges. Radiographic Features: • Appearance: Well-demarcated, mixed radiolucent-radiopaque lesion. • Borders: The lesion typically has a well-defined, sclerotic border. • Internal Structure: May appear entirely radiolucent initially but becomes mixed with radiopaque areas as it matures, showing a characteristic “ground-glass” or “cotton-wool” appearance. Histopathological Features: • Fibrous Stroma: Contains a cellular fibrous stroma with varying amounts of collagen. • Mineralized Material: Presence of mineralized material in the form of bone, cementum, or a combination of both. • Bone Formation: Trabeculae of woven bone and lamellar bone, sometimes resembling cementum, can be seen within the fibrous connective tissue. Ossifying Fibroma (OF) Clinical Features: • Age and Gender: Typically occurs in young adults, again with a higher prevalence in females. • Location: Predominantly found in the mandible, especially in the premolar-molar area. • Symptoms: Generally asymptomatic, slow-growing, and can cause facial swelling and tooth displacement. Radiographic Features: • Appearance: Well-circumscribed, mixed radiolucent-radiopaque lesion. • Borders: Well-defined border, often showing a radiopaque rim. • Internal Structure: Initially radiolucent but develops radiopaque foci as it matures, giving a “ground-glass” or “cotton-wool” appearance. Histopathological Features: • Fibrous Stroma: Composed of cellular fibrous tissue. • Mineralized Material: Contains mineralized material resembling bone and/or cementum. • Bone Formation: Similar to COF, it shows trabeculae of woven and lamellar bone intermixed with cementum-like structures. References: 1. Dehghani, N., Khalesi, S., & Khalili, M. (2014). Panoramic radiograph of a central ossifying fibroma. In Oral Pathology and Radiology (Figure 3). ResearchGate. 2. Neville, B. W., Damm, D. D., Allen, C. M., & Chi, A. C. (2016). Oral and Maxillofacial Pathology (4th ed.). Elsevier. 3. Marx, R. E., & Stern, D. (2012). Oral and Maxillofacial Pathology: A Rationale for Diagnosis and Treatment (2nd ed.). Quintessence Publishing. 4. Slootweg, P. J., & Müller, H. (1990). Osteogenic neoplasms of the jaws: A review of the literature and a report of 181 cases. Journal of Oral Pathology & Medicine, 19(2), 59-63. 5. ChatGPT. 2024. #doctor #dentistry #oralsurgery #dental #viral #dentalschool #dentalstudent #omfs #surgeon #doctorlife #dentistlife #residency #podcast #podcasts #dentalpodcast #dentalpodcasts #doctorgallagherpodcast #doctorgallagherspodcast #oralsurgeon #dentist #doctorgallagher