-
- Slow growing = identified late
- Initially, pt has asymptomatic symptoms
- Later develops swelling due to buccolingual expansion and come to dentist
- Unilateral
- Mandible = posterior = Ramus/body = mc
- If it occurs in anterior region = desmoplastic type = aggressive and resembles fibro osseous lesion
- 20% of cases seen in maxilla = can involve sinus
- Epicenter = odontogenic in origin = above IAC
- Size = large, diffuse
- Borders = well defined
- Internal structure =
- Multilocular
- septa are small and round = honeycomb appearance
- Septa are large and round = soap bubble appearance
- Septa are curved and round
- Displace IAC inferiorly
- Root resorption = Knife edge resorption
- Lower border of mandible = thin egg shell appearance due to aggressive expansion
