Radiological analysis of polyostotic fibrous dysplasia in skeletal system

Over a period of recent 3 years, the 5 cases of polyostotic fibrous dysplasia were proven histologically atNational Medical Center, and they were evaluated and analysed radiologically and clinically. The results were asfollows; 1. The age of 5 patients ranged from 12 to 21. 2. In general, clinical symptoms of thses patients werepain of affected sites and swelling, fracture, walking disturbance of lower extremities. 3. The order of frequentsite of polyostotic fibrous dysplasia was skull (4 cases), femur( 3 cases), maxilla (2 cases), humerus, tibia,rib, radius, metacarpal bone and phalanx. 4. The characteristic radiological findings of polyostotic fibrousdysplasia were multicystic lesions with ground glass appearance, osteoslcerosis, cortical thinning and pathologicfracture and deformity of long bones. Particularly, in the extremities, multicystic radiolucencies, groud glass appearance, shepherd's crook and coxa vara deformities were noticed, and in teh skull and maxilla, sclerotic changes wee principally demonstrated.