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20 Cards in this Set

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