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69 Cards in this Set
- Front
- Back
most common BBT of appendicular spine
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osteochondroma
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multiple osteochondroma 20% undergo malignacy
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HME-hereditary multiple exostosis
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either pedunclated (aka coat hanger exostosis/cauliflower like or sessile-broad based
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osteochondroma
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Unicarmel Bone cyst AKA
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Simple Bone Cyst
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Diahyseal/metaphyseal location, centrally located less than20 y.o. dont cause balloning of bone
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SBC
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Fallen Fragment sign
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SBC
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BBT that needs to be referred to orthopedist
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SBC, ABC, GCT, Chondrobastoma
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encapsulated, short zone of trasition, geographic lessions, incidental findings
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BBT
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Diaphyseal/metaphyseal location, ecentrally located, less than 20 y.o., balloning, hot tender swollen on palpation
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ABC
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Ephyseal/Metaphyseal location, 20-40 y.o. 20% quasi-malignant-chondrosarcoma
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GCT
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Soap bubble
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GCT
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Epiphyseal/Metaphyseal location less than 20 years old
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Chondroblastoma
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Night pain relieved by asprin. Radiolucent central nidus with severe reactive sclerosis
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Osteoid Osteoma
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Night pain relieved by asprin: appears like an osteoid ostoma
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Brodies Abscess
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Brodies Abscess AKA
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Chronic Oseomyelitis
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M/c BBT of the hand that may have a stippled appearance
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Enchondroma
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Multiple Enchondromas
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Ollier's Disease
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Ollier's with soft tissue calicification
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Maffucci's syndrome
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M/c BBT of the spine
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Hemangioma
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Corduroy cloth or jail bar vertebrae,vascular defect, can cause bone expansion and compression fracture
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Hemangioma
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Hemangioma that involves the skull
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Calvarum involvement
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Bone island: round or oblong radiopaque lession
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Enostoma
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Multiple bone islands that asymptomatic that have no labs and self resolving
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Oseopoikilosis
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Where is Oseopoikilosis m/c found
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pelvis, humerus, hands and feet
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M/c BBT to affect the neural arch
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osteoblastoma
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Osteoblastoma cause
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bone expansion, radiation theraphy, currattage, scollosis,SC compression canal stenosis
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M/c BBT to affect the skull
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Osteoma
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Found in frontal sinus and best seen on Caldwell projection
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Osteoma
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Rind sign, Saber Shin Tibia and Sheppards Crook, Ground Glass Appearance, Cafe au lait spots with cost of Maine(jagged border), makes bone darker
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Fibrous Dysplasia
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Cafe au lait spots with coast of California (smooth border)
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Neurofibromatosis
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long zones of trasition, non encapsulated, permative pattern, moth eaten appearance, punch out lessions can cause pathological fracture
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Malignacies
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what to do with all malignacies
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refer to oncologist
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what malignacies turn bone darker
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MM and lytic mets
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pathological fracture cause what
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loss of anterior and posterior body parts
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osteoporosis dont cause decrease in what
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posterior body part
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Is bone scan a specific test
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no it measure the body's attempt to lay down new bone
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MM AKA
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Plasma Cell Sarcoma
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Over 50 y.o mostly women, anemia, m/c primary malignancy of bone
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MM
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Punched out lessions(multiple dark densities similar in size),can cause pathological collapse (vertebral plana), rain drop skull
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MM
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Labs for MM
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M spike (most specific),Reversal of Albumin/Globulin Ratio (incr in G),Bence Jones proteinuria, elevated ESR (not specific for infammation)
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Special Test for MM
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Bone Scan Cold
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M/c malignant tumor of bone
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Metastatic Disease (lytic and Blastic)
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Malignacy that turns bone whiter
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Hodkins Lymphoma,Blastic Mets, Paget's
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over 40 y.o, skeletal pain that worse at night and nothing relieves it
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Lytic mets
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eats away at pedicle of bone
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Lytic mets
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Swiss cheese appearance in skull
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Lytic mets
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Labs and Special test for lytic ments
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Alkaline phosphatase and Bone Scan
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Most common form of mets in ages 20-40
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Hodgkins
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bone becomes more radiopaque with ivory white vertebrae with anterior body scalloping
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Hodgkins
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Uni-lateral hilar lymphadenopathy in caucasians seen on P-A chest view
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Hodgkins
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Need to biopsy what cells for Hodgkins
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Reed Sternberg cells
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Blastic mets is most commonly caused from what
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prostatic carcinoma
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Labs for Blastic mets
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Increased Alkaline phosphatase and Bone Scan-hot
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AKA for Paget's
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Osteitis Deformans
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Over 50 y.o males with picure frame vertebrae
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Paget's
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Stages of Pagets
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Lytic or destructive,Combined (blastic and lytic),Sclerotic or healing, Malignacy
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What stage ivolves over 60 y.o
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Malignacy
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cause cortical thicking, increased bone density, deformity, coarsened trabeculae,bone expansion, picure frame vertebrae
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Paget
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Radiographic signs of Paget's
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Sheave of wheat grass, Blades of grass, sheaves of grain, cotton woll candle flame, brim sign, osteoporosis curcumscripta
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labs and ST for Paget's
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AP,Urinary Hydroxyproline and BS-hot
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What cause deformity
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Paget's and Fibrous Dysplasia
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Most common mallignacy in children ages 10-30
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osteosarcoma
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causes a periosteal reaction that is spiculated, radiating sunburst appearance
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Osteosarcoma
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Labs and ST for osteosarcoma
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Increased AP and Bone Scan
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over 40 and creates a spiculated, radiating, sunburst periosteal reaction of bone
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Chondrosarcoma and fibrosarcoma
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Similar to an infection-warm hot swollen,most commonly found in diaphysis of long bones. 10-25 y.o
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Ewing Sarcoma
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Multi paralleded onion skin,bone expansion, codman's triangle and saucerization
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Ewing's Sarcoma
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over 40 y.o aberrant notchordal cell tumor
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Chordoma
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M/c found in sacurm and second m/c in skull
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Chordoma
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