GAMUT D-80
BENIGN TUMOR-LIKE LESIONS OF BONE (NONNEOPLASTIC)
(See also D-80-S1, D-80-S2)

COMMON
1. Avascular necrosis 
2. Bone cyst  
3. Bone infarct
4. Bone island (enostosis)
5. Brown tumor of hyperparathyroidism 
6. Cortical/periosteal desmoid  (cortical avulsive injury) 
7. Fibrous cortical defect
8. Fibrous dysplasia  
9. Gouty tophus
10. Langerhans cell histiocytosis G
11. Myositis ossificans (parosteal)
12. Osteochondrosis dissecans
13. Osteoid osteoma
14. Osteomyelitis (eg, bacterial ; tuberculous; fungal--mycetoma)
15. Paget's disease
16. Stress fracture, healing
17. Subchondral cyst (related to osteoarthritis, inflammatory arthritis, or osteochondral injury)


UNCOMMON
1. Aneurysmal bone cyst  (See D-80-S3)
2. Epidermoid; dermoid (skull)
3. Epidermoid inclusion cyst; foreign body or "thorn" granuloma
4. Fibromatosis (esp. multicentric infantile myofibromatosis)
5. Giant cell granuloma
6. Hemophilic pseudotumor  
7. Hydatid cyst
8. Intraosseous ganglion
9. Osteofibrous dysplasia (esp. tibia)
10. Plasma cell granuloma
11. Posttraumatic cyst or osteolysis
12. Sarcoidosis
13. Small particle disease (eg, granulomatous pseudotumors adjacent to joint replacements) (foreign body reaction)
14. Soft tissue lesion secondarily involving bone (eg, amyloidosis; glomus tumor; giant cell tumor of tendon sheath ; pigmented villonodular synovitis)
15. Sternocostoclavicular hyperostosis (SAPHO S.)
16. Xanthomatous lesion (See D-80-S2)