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DU PA X-ray & Arth
Duke PA Radiology of Arthritis
| Question | Answer |
|---|---|
| joint space narrowing, sclerosis, osteophytosis | three hallmarks of OA |
| OA in the hands has a __ predominance | distal |
| OA results from | trauma |
| OA is __ | non-inflammatory |
| AC, TMJ, SI, Symphisis pubis | joints where you will see erosions with OA |
| You normally don't see __ in OA, except in 4 specific joints | erosions |
| geode | subchondral cyst |
| normal finding in OA | geode/subchondral cyst |
| OA without joint space narrowing, and sclerosis, but only osteophytes | DISH |
| Diffuse Idiopathic Skeletal Hyperostosis | DISH |
| RA is a __ disease | systemic inflammatory |
| RA is a disease of | erosions |
| distribution of RA is | proximal and symmetric |
| soft tissue swelling, osteoporosis, joint space narrowing, marginal erosions | hallmarks of RA |
| in extension and flexion veiws of the C spine if you see increased distance between the dens and the anterior arch of C1 you have | Atlantoaxial Instability with RA |
| Can cause compression of the C spine | Atlantoaxial Instability with RA |
| Ankylosing Spondylitis behaves like | Inflammatory Bowel Disease |
| Psoriatic Arthritis behaves like | Reiter Syndrome (reactive srthritis) |
| Ankylosing Spondylitis, inflammatory bowel disease, psoriatic arthritis, reiter syndrome | Seronegative spondyloarthropathies |
| in patients with spinal ankylosis even a minor trauma | can be a huge disaster |
| bony ankylosis, new bone formation, axial spine involvement | hallmarks of seronegative spondyloarthropathies |
| syndesmophytes and ankylosis | bamboo spine |
| if you have asymmetric arthritis involvement of the SI joints | it is not ankylosing spondylitis, or IBD |
| can't see, can't pee, can't climb a tree | Reiter Syndrome |
| arthritis, nongonococcal urethritis, conjunctivitis | Reiter Syndrome |
| often follows a GU or GI infection | Reiter Syndrome |
| Ankylosing spondylitis must be | symmetric |
| distal predominance, soft tissue swelling, periostitis, proliferative erosions with fuzzy margins | Hallmarks of Reiter syndrome and Psoriatic Arthritis |
| deposits of monosodium urate crystals in a joint | gout |
| it takes 4-6 years for radiographic evidence to occur with __ | gout |
| gout of the great toe | podagra |
| well defined sclerotic erosions, soft tissue nodules, random distribution | gout |
| has the same clinical manifestations as gout but is caused by calcium pryrophosphate dihydrate deposition | pseudogout |
| has weird DJD locations (shoulder, elbow, radiocarpals, MCP | pseudogout |
| __ is associated with primary hyperparathyroidism, gout, hemochromatosis | pseudogout |
| pain, cartilage calcification (chondrocalcinosis), joint destruction | pseudogout |
| knee, triangular figrocartilage of wrist, pubic symphysis | common CPPD chondrocalcinosis sites |
| the worst joint you will ever see | neuropathic (Charcot) joints |
| inaccurate muscle action and loss of reflexes | neuropathic (Charcot) joints |
| seen in diabetes, paralysis with continued limb use, tabes dorsalis of syphilis | neuropathic (Charcot) joints |
| destruction, dislocation, heterotopic new bone-debris or detritus | neuropathic (Charcot) joints |
| most common neuropathic joint | Lisfranc Charcot Joint |
| Inflammation of synovial membrane with purulent effusion | septic arthritis |
| treat __ urgently | septic arthritis |
| Fever and hot, red, painful, distended joint with decreased range of motion Rapid Complications--Joint destruction, Osteomyelitis, Sepsis, and even Death | septic arthritis |
| most common site for septic arthritis in adults | knee |
| most common site for septic arthritis in children | hip |
| x-ray of joint with septic arthritis | often normal |
| elbow effusion + trauma = __ | fracture |
| joint pain + effusion = __ | septic arthritis |
| if you see a posterior fat lucency on the elbow it is an | effusion |
| the anterior fat pad in the elbow should | hug the bone |
| if the elbows anterior fat pad is not hugging the bone but is giving the sail sign it is __ | an effusion |
| Osteonecrosis from Steroids, Trauma, Sickle Cell Disease, Idiopathic | avascular necrosis |
| effusion, patchy sclerosis in otherwise normal joint, subchondral lucency, collapse of articular surface and fragmentation | avascular necrosis |
| Inflammatory Granulomatous Disease,Bone Manifestations:Destructive lytic lesions, lace-like appearance | sarcoid |
| osteoporosis, soft tissue wasting | collagen-vascular disease |
| best imaging modality for arthritis | plain films |
Created by:
bwyche
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