B2 X-Ray Findings and Clinical Features
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| Aneurysmal bone cyst | blister of bone 10-20 |
| Enchondroma | hands and feet |
| Ewings Sarc | 3-14 yoa sub periostial laminations "onion skin" |
| Fibrous Cortical defect | 4-8 yoa post distal femur. May be self resolving |
| Giant Cell | 20-40 epiphyseal in long bone 60% knee; distal radius; "soap bubble" |
| Hemangioma | 20-40 Vertical striations in vertebral body "cuorduroy appearance" |
| Multiple Myeloma | >40 raindrop spots; punched out areas of osseous destruction"; anemia, uremia, Bence Jones protein, rouleaux formation; |
| Multiple Myeloma | >40 Increased gamma globulins, reversed A-G ratio; M spike |
| Non-sooifying Fibroma | 8-20 y.o.a. may be self-resolving; possible pathological fx location |
| Osteoblastoma | NEVER PICK |
| Osteochondroma | Pedunculated or sessil, "coat hangar" or "cauliflower" exostosis ...GROWS OFF BONE |
| Osteoid Osteoma | 10-25; monostotic, central radiolucent nidus; worse at night and relieved by aspirin" |
| Unicameral Bone Cyst | 10-20 Metaphysis of Long bone (75% in proximal humerous) |
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