GAMUT D-88
PERIOSTEAL OR PAROSTEAL NEOPLASM OR TUMOR-LIKE SURFACE LESION OF BONE


COMMON
1. Cortical/periosteal desmoid (cortical avulsive injury)
2. Myositis ossificans, parosteal (juxtacortical) 
3. Osteochondroma  (osteocartilaginous exostosis)
4. Osteoid osteoma, subperiosteal
5. Osteosarcoma, periosteal  or parosteal 
6. Turret exostosis


UNCOMMON
1. Aneurysmal bone cyst, subperiosteal
2. Bizarre parosteal pseudotumor (BPOP)
3. Chondrosarcoma, periosteal    or parosteal 
4. Chondrosarcoma, secondary peripheral in osteochondroma
5. Florid reactive periostitis (ossifying fasciitis; parosteal fasciitis)
6. Ganglion, periosteal or subperiosteal
7. Hemangioma, parosteal
8. Lipoma, parosteal
9. Malignant fibrous histiocytoma; fibrosarcoma
10. Osteoblastoma, subperiosteal
11. Osteoma
12. Osteosarcoma, high-grade surface
13. Periosteal chondroma  
14. Periosteal fibroma
15. Soft tissue tumor in a parosteal location (eg, gouty tophus; synovial sarcoma; giant cell tumor of tendon sheath; glomus tumor; Kaposi sarcoma)





References