Term
| Target sites and xray findings for OA |
|
Definition
| DIP and MCP of thumb. joint narrowing osteophytes |
|
|
Term
| Target sites and xray findings for OA |
|
Definition
| DIP and MCP of thumb. joint narrowing osteophytes |
|
|
Term
| RA target sites and features |
|
Definition
MCPs, carpal joints, distal radioulnar joint.
marginal erosions, no osteophytes, symmetrical involvement, osteopenia (demineralization!), carpal collapse |
|
|
Term
| Psoriatic arthritis target sites and findings |
|
Definition
DIP, asymmetrical, several joints in one ray! SI joints.
marginal erosions, fluffy periostitis near involved joints, fusiform soft tissue swelling (sausage digit), and fusion across severely involved joints. |
|
|
Term
| Reactive arthritis target sites and xray fidnigns |
|
Definition
joints in FEET more so than hands, SI joints
fluffy periostitis, similar to psoriatic, SI joints (bilateral but not symmetrical), relative preservation of bone mineralization |
|
|
Term
| Symmetrical SI joint erosions and fusion...spine involvement with fluffy periostitis. Dx? |
|
Definition
| Ankylosing spondylitis => BAMBOO SPINE! |
|
|
Term
| what does MRI help you find in RA? |
|
Definition
| erosion of scaphoid, rice bodies in extensor carpi ulnaris tenosynovitis, |
|
|
Term
| Signs of aggressive lesion? |
|
Definition
| periosteal reactiona dn poorlyd efinied margins w/ native bone = EWING'S SARCOMA, osteosarcoma, chondrosarcoma |
|
|
Term
| Signs of Paget's and Osteoid osteoma |
|
Definition
thickened trabeculae in paget's
OO - night pain focal bone lesion |
|
|
Term
| You see a fat pad on x-ray what does this mean? |
|
Definition
| JOINT EFFUSION after trauma |
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