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20 Cards in this Set
- Front
- Back
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causes of insuff fxs
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rheumatoid arthritis, steroid therapy, Paget's, osteomalacia, hyperparathyroidism, and osteogenisis imperfecta.
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two types of stress fractures?
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insuff
fatigue |
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size criteria for discoid meniscus?
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three or more coniguous sagital images that are 5mm thick. height 2mm or more
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meorheostosis. is it painful and hot on bone scan?
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yes! osteopathia striata and bone islands are usually not
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bilateral varus deformity and leg bowing ddx?
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rickets
blounts disease fib dyslplasia physiologic variant |
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what type of tear is a bucket handle tear?
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vertical longitudinal tear with medially displaced fragment
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tillaux fracture is fracture of what?
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ant tubucle of tibia. physis closed. mechanism is external rotation.
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juvenille tillaux fracture. what type?
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salter 3 of distal tibial epiphysis
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slap types 1, 2, 3 and 4
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1 fraying
2 labrum and biceps detatched 3 bucket handle, intact biceps 4 bucket, extends into biceps |
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3 classes of soft tissue calc?
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metastatic - disturbed calc/phosp
calcinosis - normal calc metabolism dystrophic - damaged tissues |
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periarticular calcs?
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hyper pth
renal osteodyst milk alkalai hyervit D collagen vasc dx |
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reticulates soft tissue calcs?
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dermatomyositis
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monteggia fracture dislocation? mechanism?
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ulnar fx and radial disloc
forced pronation |
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Radiographic signs of spine fx instability?
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interspinous/laminar widening
>50% compression vert body >20% kyphosis more than 2mm translation dislocation interpediculate widening |
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causes of chondrocalcinosis?
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hyper pth
cppd arthropahty hemochromatosis |
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characteristic findings in cppd and locations?
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same as OA with chondrocalc.
non-wt bearing jts: elbow, femoropatellar,wrist, ankle, shoulde |
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Neuropathic joint vs neuromuscular atrophy?
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neuropahtic destructive, fragmented, dislocated, and disorganize
neuromusc has atrophy, osteopenia, joint space narrowing. |
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chance of malignant transformation of osteochondroma. solitary? multiple?
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1% for solitary
10% for mult |
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DDX for acro-osteolysis?
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collagen vasc dx - scleroderma
thermal injuries hyper pth neuroarthropathy psoriatic arthritis |
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Diffuse osteoporosis of a limb?
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immobility, secondary to fx or paralysis
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