Rx Flashcards
soft tissue swelling, intra - articular erosion, ulnar deviation of MCP joints
RA
dystrophic calcification in muscle,
myositis ossificans
small femoral epiphisis, later femoral displacement, shallow acetabulum
congenital hip dysplasia
AD>5mm, hypoplastic atlas, agenesis of the dens
down syndrom
numerous intrameduallary lesion in long bones, phlebolith calcifaications
enchondromatosis
generalized osteoporosis, compression fractures, cod fish vertebrae
cushings sydrome
AVN of head of the femur, patchy sclerosis and lucency, crescent sign
chandler
causes idiopathiques d’un ostéonécrose selon radiopeapia :(Legg-Calvé-Perthes, Köhler, Chandler)
solitary oval radiolucent defect; thin cortex, bunch of grapes appearance
non-ossifying fibroma
multiple faceted stones in right upper quadrant, ultrasound, +murphy’s sign
cholelithiasis
hair on end skull, undertubulation of long bones, cod fish vertebae
sickel cell disease
AVN, fragmented irregular sclerosis of the calcaneal apophysis
sever
ossification of the medial knee collateral ligament, traumatic
pelligrini - stieda disease
soft tissue swelling, periosteal elevation, broadies’s abscess, incolucrum
osteomyelitis
round or elongated lesion eccentrically located, thins the cortex
chondromyxoid fibroma
apical cavitation; unilateral or bilater hilar lymphadenopathy, tracheal shift
TB
frankls line, pelkens spur and wimbergers ring
scurvy
AVN , sclerosis and fragmentation of the proximal pole of the scaphoid
preiser
soft tissue swelling, periarticular osteoporosis, reducible ulnar deciation
SLE
large sella turcica, arrowhead phalanges, heel pad >23mm
Acromegaly
joint space narrowing, subchondral sclerosis, osteophytes
osteoarthitis
small elevated scapula; omovertevral bone and klippel feil syndrome
Sprengels deformity
eccentric metaphyseal lesion crosses epiphyseal line, soap bubble
GCT
beak like spurs on radial side of metacarpal heads, joint space narrowing
hemachromatosis
thick traverse radiodense metaphysis bands
Lead poisoning
Shiny corners, dagger sign, bamboo spine, ramanus lesions
AS
circumscribed lytic lesion, ground glass, soap bubble, shepherds crook
fibrous dysplasia
hair on end skull, undertubulation of long bones, cod fish vertebae
sickel cell disease
articular irregularity, wide intercondylar femoral groove, soft tissue swelling
hemophilia
cup and pencil deformity of DIP joints, mouse ears, sausage digits
psoriatic arthitis
slippage of one vertebra on the other, most common at L5/S1, pars fracture
spndylolisthesis
diaphyseal permieative, onion skin appearance with cortical saucerization
ewings sarcoma
dense sclerotic well circumscribed lesion rarely >2cm, in the skull or sinuses
osteoma