Non-ossifying Fibroma-Plain Film
Adolescent with pain after trauma shows intramedullary lesion consistent with Non ossifying fibroma
Teaching points by Dr MGK Murthy & Dr Sumer Sethi
Ø 30 to 40% of children above 2 yrs show in one (75%)or more (25%) bones
Ø Usually lower extremities 90%
Ø Etiology is not known, but could be developmental aberration at epiphysis or muscle pull with periosteal injury as it occurs only after 2 yrs
Radiology
Ø Geographic/well marginated/lytic/multilobulated, foamy, mildly expansile/metaphyseal/usually purely intramedullary/eccentric /sclerotic rim/with endosteal sclerosis lesion on all modalities
Ø Heal with replacement by normal bone
Ø Pathological fracture is possible if involves more than 50% of bone diameter or more than 33mm in size
Ø Associated with Neurofibromatosis/Osggod-schlatter disease/osteochondritis patella and femur/perthes disease
Non-ossifying Fibroma-Plain Film
Reviewed by Sumer Sethi
on
Tuesday, November 15, 2011
Rating:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhN5s9tC09EzmDg_kpiOmjbsXrsCXNu_aGMrfaE7BZERWn0cKCxWzVrLCHzJ0nEYMT2AJ5kQBNRFD8cNgqn5puHUeCH-SMTneVOklyYuwIw7gKE46Wm4g7fc3en8CsAk8CPsQKF/s72-c/NOF.jpg)
No comments:
Post a Comment