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128 Cards in this Set
- Front
- Back
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mc
lumbar disc herniation direction |
central paracentral 92%
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mc disc contour abnormalities @ which 4 levels
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L4-S1, C5-C7 90%
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mc DJD in spine level/location
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l4-l5 facets
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mc cause of c-spine with facet arthrosis(neural foraminal encroachment)
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uncovertebral joints
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mc cause of degenerative hour glass deformity
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uncovertabral joints
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mc cause of most radiographic subluxations
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degeneration
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mc direction of femoral head usually travels + site of joint space decreases
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sup+lateral
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mc side of tibiofemoral joint most affected by OA
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medial
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mc side of patellofemoral joint most affected by chondromalacia patella
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lateral
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mc level of opll w/dish
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c2-c4
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mc group (SCM) synoviochondrometaplasi seen most in
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men 3:1 30-50
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mc RA group
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females 2-3:1 20-60 onset
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mc casue of bilateral protrusioacetabuli
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RA
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mc JCA group
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F>M 2-5/9-12
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mc AS group
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males 4-10:females 1, 15-35
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mc: AS top 2 sites
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SI's , TL area
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mc: Syndesmophytes seen /w
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AS
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mc: Group for reactive arthritis
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M:F 50:1 18-40
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mc: SLE Group
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Women-child-bearing age
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mc: osteitis condensans ilii group
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9:1 femals
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mc: GOUT group
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20:1 males 4th to 5th decade
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mc: CPPD group aka pseudogout
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M=F, over 50
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mc: HADD Group
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M=F, 40 to 70
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mc: Site of HADD
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superaspinatous lig (ex. rotation)
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mc: Ochronosis group
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M:F = 2:1 auto recessive
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mc: Site for metastatic destruction of spine
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anterior aspect of vertebral bodies
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mc: blastic mets from:(5)
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breast, prostate, stomach, testes, colon
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mc: lytic mets from:(7)
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breats, lungs, colon, kidney, prostate, skin, thyroid
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mc: Group for PA
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M=F 20-50
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mc: Acral mets from:(3)
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lungs, breast, kidney
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Top 2 1' malignant bone tumors
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multiple myeloma, osteosarcoma
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multiple myeloma group
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50/70 age 2:1M africans
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multiple myeloma skeletal location (top 2)
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vertebra, ribs
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group for osteosarcoma
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10-25 M:F 2:1
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osteosarc location in bone
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metaphysis
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most common osteosarc bone location
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femur (than tibia)
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cumulus cloud appearence
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osteosarcoma
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group for chondrosarcoma
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40-60 2:1 M
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location for chondrosarcoma in body (top 2)
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pelvis and femur
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location for chondrosarcoma in bone (2)
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metaphysis, diaphysis
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focal area in medullary space ddx (3)
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enchondroma
chondrosarcoma low grade/ bone infarct |
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group for ewings
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2:1 M, 10-25
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1' malignant bone tumor to mets to bone
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Ewings
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skeletal location for ewing's
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femur
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location in bone for ewing's
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diaphysis
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group for fibrosarcoma
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30-50 M=F
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location in the body for fibrosarcoma
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50% around knee
2/3 in femur, tib, hum |
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mc location in bone for fibrosarcoma
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metaphysis (eccentric)
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soft tissue sarcoma of late adult life
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malignant fibrous histocytoma
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locations of chondroma (2)
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clivus + sacro coccygeal region
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group for non- hodgkin's
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20-40 M 2:1
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location in body for non-hodgkin's
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femur, tibia, humerus
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location in bone for non-hodgkin's
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medullary diaphysis
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1' malignant tumor to have a pathological fx
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non-hodgkin lymph
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location for bone mets w/non-hodgkin's lymphoma
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vertebra
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giant cell tumor groups
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20-40 F 3:2 benign (80%)
M 3:1 malignant (20%) |
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giant cell tumor location in bone
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metaphysis, eccentric, subarticular
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giant cell tumor location in body
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knee-tibia-fib-distal radius
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benign skeletal growth of tumor
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osteochondroma
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osteochondroma group
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M 2:1 75% UNDER 20
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Location in bone of osteochondroma
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metaphysis
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location in body of osteochondroma
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femur, humerus, tib etc.
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group of enostoma
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any age adults > child
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location in body for enostoma
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ischium, ilium, sacrum, prox femur
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location in bone of enostoma
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epiphysis, metaphysis, medullary
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group for HME
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age 2-10
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bone location for HME
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metaphyseal (inherited)
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haygarth's node
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RA-MCP's
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hitchhikers thumb
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RA- thumb extension
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swan neck
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Ra- extension @ PIP
flexion @ DIP |
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Boutoniere
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RA- Flexion @PIP
Extension @DIP |
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Terry- Thomas' sign
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scapholunate dissociation - RA
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lanois deformity
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Dorsal (MTP) subluxation
Fibular Deviation - RA |
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Baker's Cyst
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RA cyst- behind knee joint effusion
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hill sach's
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RA marginal erosions
stimulating this recurrent ant-dislocation of shoulder post-lateral compression of hum head on inf glenoid rim |
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Marie Stumpells DX
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AS
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Bechteraus Dx
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AS
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Ghost Joints
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fused SI with AS
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star sign
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fused SI with AS
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bamboo spine
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AS complete interbody ankylosis by marginal ryndesmophytes
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trolley track sign
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AS ossification of joint capsule lig flav, interspinous lig,
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dagger sign
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AS ossification of supra and inter spinous lig
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poker spine
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same as bamboo
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shiny corner sign
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AS inflammation osteitis @ body margins before syndesmophyte formation
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Romanus Lesion
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AS early anterior body margin erosions
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squared bodies -----barrel 0
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AS loss in concavity of vertebral bodies
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whiskering
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AS erosion create an irregular appearance of the cortex irregular and fluffy
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carrot stick fx
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fx caused by brittle ankylose spine
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anderson lesion
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post carrot stick failure to re- ankylose
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mouse ears
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fluffy periostitis w/PA, DIP's, PIP's, MCP's
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Ray Pattern/sign
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PA or Reiters
pip's, dip's, mcp's |
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Sausage Digits/ Spindle Digits
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PA- swelling in periarticular tissue
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Non- Marginal/ Syndesmophytes
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not egg shell thin like in AS (thicker)
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Pencil in cup deformity
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PA
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Gull wing deformity
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PA biconcave articular contour
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Opera Glass hang/ Mainer Lorghette, arthritis mutilans
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destruction of all the joints w/carpal ankylosis
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Lovers Heel
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Reiter's ... pain at the calc attachment of plantar fascia or achillis tendon- fluffy radiograph appearence
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elevated ANA
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SLE
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Swanneck Deformity
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Dislocation of MCP's reversale
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Boutonnierc Config
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SLE thumb DIP-extension
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CREST
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Scleroderma- calcinosis, raynouds, esophagus, skin subcutanous deformity, telonglectasia
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Triangular shaped radiopatency
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Osteitis condensans ilii
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overhanging joint margin
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Gout
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Chondrocalcinosis
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C.P.P.D
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H.ADD- aka
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Calcific Tendinitis
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Winkiny Owl Sign/ Blind Vertebrae
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osteolytic pedicle destruction
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Ivory Vertebrae D DX(3)
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Blastic mets, paget's, hodgkins
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cookie bite lesion
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thru cortex lytic
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blow out metastasis seen in (4)
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RATS!!!
renal cell care adrenal(pheochroma) thyroid care skin (melanoma |
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Acral Mets
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mets distal to elbow +knee
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Raindrop Skull
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multiple myeloma
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cumulus cloud appearence
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osteosarc
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name for periosteal rxn in osteosarc
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sunburst, codman, laminated
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cannonball mets
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central osteosarc mets, multiple radiopacites in lungs
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telanglectatic osteosarc looks like
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ABC on MRI
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popcorn/flocculent or arc+ring calcification
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chondrosarc
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savcerization of cortex
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Ewing's
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onion skin appearence
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Ewing's
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lichteristein rule of thumb
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A fibrosarcoma should be ruled out if a 1' malignant lesion is observed around the knee
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osteosarcoma a.k.a
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giant cell tumor
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cauliflower appearence
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solitary osteochondoma
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gardner's syndrome (3)
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multiple osteomas
colynicpolyps (pre-mal) soft tissue fibromas |
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bone islands
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enostoma
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madelung deformity seen w/
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HME
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Brahma bull
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HME
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Courduroy cloth appearence (jailbar)
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hemangioma
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olka-dot appearence on ct
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hemangioma
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sandollar appearence/sunburst or spoked wheel in skill
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hemangioma
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