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