| Question |
Answer |
| 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) |
mr. charles11
