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What is the most common BBT of the appendicular skeleton?
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what are multiple osteochondromas called? |
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Definition
Hereditary multiple exostosis |
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What BBT is associated with the fallen fragment sign? |
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Definition
Unicameral bone cyst/ simple bone cyst |
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What BBT has a diaphyseal metaphaseal location and eccentrically located? |
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What BBT is associated with soap bubble appearance? |
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Night pain relieved by aspirin. Radiolucent central nudis with sever reactive sclerosis? |
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What appearance will hemangioma have? |
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bone island, round or oblong radiopaque lesion? |
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MC BBt to affect the neural arch? |
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MC bbt to affect the skull? |
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Physiologic resorption of normal bone replaced by fibrous tissue? Causes saber shin tibia, sheppards crook. |
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Monostotic form (70%) of fibrous dysplasia is associated with what sign? |
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Definition
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What appearance is noted with fibrous dysplasia? |
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Definition
ground glass, cafe au lait spots with coast of maine appearance ( also see in neurofibromatosis) |
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Only bone scan that is cold? |
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multiple dark densities that are similar in size (punched out lesions) can cause pathological colapse (vertebral plana). Rain drop skull? |
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Labs for multiple myeloma? |
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Definition
M spike on immunuelctrophoresis, reveral of albumin/globulin ration, bence jones proteinuria , elevated ESR, cold bone scan |
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MC malignant tumor of bone? |
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Definition
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Trabeculae reabsorbed turns the bone darker. moth eaten pattern , eats away pedicle of bone. swiss cheese appearance in skull. Increase in alkaline phosphatase , hot bone scan |
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Definition
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radiopaque , ivory white vertebrae, with anterior body scalloping . Unilateral hilar lymphadenopathy. Biopsy to comfirm- reed sternberg cells |
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Definition
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MC form of metastasis in ages 20-40? |
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Male over 50, causes cortical thickening, increased bone density , coarsened trabeculae, picture frame vertabrae. urinary hydroxyproline lab |
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most common malignancy found in children? |
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Periosteal reaction that is spiculated ,radiating, suburts in appearance? |
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Definition
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Difference of osteosarcoma and chondrosarcoma (fibrosarcoma) |
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Definition
age osteosarcoma- young chondrosarcoma- older over 40 |
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Where is ewings sarcoma mc found? |
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Definition
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permeative lesion that causes a multi paralleled onion skin periosteal reaction. codmans triange, saucerization |
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Definition
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Where is a chordoma mc found? |
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which way do the spinouses deviate in rotary scoliosis? |
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Definition
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which way do spinouses rotate in simple scoliosis? |
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Definition
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How to monitor scoliosis? |
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Definition
Rissers sign, wrist series, tanner stagess |
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Rheumatoid arthritis in children? |
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Definition
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bilateral uniform loss of joint space, rat bite erosions, atlanto-axial instability . Bouchards(PIP) Haygarth(MCP) nodes. ulnar deviation, swan neck , bakers cyst |
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Definition
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RA with dry eyes and dry mouth? |
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Definition
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Non inflammatory that mc involves finger and weight bearing joints? |
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Definition
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usually stiffens with rest and improves with activity? |
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Definition
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Associated with diabetes mellitus, can cause ossification of posterior longitudinal ligament |
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Definition
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2ndary to impaired sensory, seen with diabetes, tabes dorsalis, syphilis and syringomyelia . 6 d's ; Distention,density ,debri,dislocation,disorganization, destruction |
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Definition
Neurogenic arthropathy ( charcots joint) |
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most common joint affected by synoviochondrometaplasia? |
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Definition
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Overhanging margin, juxta articular erosions. acute- colchicine . chronic- allopurinol |
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Definition
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Definition
shoulder, any calcification of shoulder |
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AKA for avascular necrosis? |
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Definition
Osteonecrosis, osteochondrosis |
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are there any labs for avn? |
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AVN of articular surface of medial femoral condyle? |
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Definition
osteochondritis dessicans (funnel view) |
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Scheuermanns' Disease mc seen in? |
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Definition
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slight loss of anterior body height, multiple endplate irregularities of 3 or more continuous vertebrae. |
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Definition
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Boys 4-9 , fragmentation of femoral head (crescent sign), flattening of femoral head, snow cap appearance, increased jt space. mushroom cap appearance ? |
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Definition
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Femoral head slides inferior and medial / femoral neck slides superior and lateral .Salter harris type 1 fx |
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Definition
Slipped capital femoral epiphysis |
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Term
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Definition
small femoral head, shallow acetabular shelf, femoral head outside of acetabulum. .... congenital hip dysplasia |
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What does protrusio acetabuli occur with? |
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Definition
PORT: Pagets, osteoporosis, RA(mc), Trauma |
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Definition
incomplete fx in children |
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Definition
clinically evident but not visualized on xray |
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Definition
Fracture of proximal ulna |
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Definition
fx of ulna with radial head displacement |
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Definition
fracture of distal 1/3 of radius with dislocation of distal radioulnar joing |
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Definition
fx of distal radius with posterior displacement |
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fx of distal radius with anterior displacement |
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stress fx of 2nd,3rd and 4th metatarsals |
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bilateral pedicle fx of c2 due to hyper extension |
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Definition
fx through the anterior and posterior arches of atlas due to axial compression |
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most common and severe odontoid fx? |
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Definition
type 2, fx through the base |
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Definition
fx of the anterior body , mc at c2 |
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MC TYPE Of salter harris fx? |
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Definition
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fx through pars interarticularis without slippage |
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where is the mc location of a type 2(isthmic) spondy? |
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Definition
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where is the mc location of a type 4(traumatic) spondy? |
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Definition
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avulsion of ischial tuberosity? |
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Definition
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MC dislocated carpal bone? |
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Definition
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MC fractured bone of the hand ? |
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Definition
scaphoid, 2nd mc dislocated |
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Definition
avulsion of the inferior aspect of the glenoid rim |
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Definition
compression of superior aspect of the humeral head |
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Definition
arcuate foramen forms when the atlanto-occipital ligament calcifies. transmits the sub occipital nerve and vertebral artery |
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20% of downs children are born without what ligament? |
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Definition
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salt and pepper skull,rugger jersey spine, calcium buildup in blood |
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Definition
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bone within a bone (early), sandwich vertebrae(late). hepatosplenomegaly |
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Definition
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retropharyngeal clear space (c2-4) greater than what is indicative of soft tissue mass? |
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Definition
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measurement indicative of retrolaryngeal soft tissue mass? |
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Definition
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measurement indicative of soft tissue mass in retrotracheal area? |
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Definition
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Definition
garland thomas line- spondylolisthesis |
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Vertical line drawn through the center of L3? |
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Definition
Fergusons, lumbar gravity line. |
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Term
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Definition
smooth curvilinear line along inferior femoral neck to superior obturator foramen- interrupted line indicates; dislocation, neck fx, or slipped capital epiphysis |
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Term
best line for slipped capital femoral epiphysis? |
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Definition
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Definition
greater than 25 mm in male or 23 mm in female signifies increased thickness often associated with acromegaly. |
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