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23 Cards in this Set
- Front
- Back
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Brodies Abcess
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appears as a
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Involucrum-
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new bone growth to wall off and
infected area, usually not seen in acute OM |
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Sequestrum-
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consists of necrotic bone and
pus |
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Cloaca
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an opening in involucrum where
sequestrum can leak out and form a sinus tract |
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Marjolin
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jolin
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How long does it take for osteomyelitis to appear on x-ray
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10-14 days
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Sclerosing OM of Garre-
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a form of chronic
OM with evidence of bone sclerosis, but rarely is a causative bacteria identified. |
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What is Phemister's triad?
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can occur in pt.s with septic arthritis
consists of marginal erosions, joint space narrowing, and juxta-articular osteopenia. |
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Osteochondroma
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most comon benign bone tumor
often appear subungually looks like subungual exostosis but has cartilaginous cap |
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Enchondroma
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appears as an expansile lesion with fleck like calscifications termed "stippled'
Predilection fro phalange sof hands and feet If many enchondromas are present it is Ollier's disease |
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Osteoblastoma
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tumor that arises from osteoid and occurs mostly in the axial skelelton,
radiographically may have lare nidus noctunal pain, but no relief from aspirin is a more aggressive, painful tumor |
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Osteoma's
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aris form bones of skull particular in th esinus cavity
are usually benign and asymptomatic can be in hereditary disorder know nas Garnder's snydrome |
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What symptoms will pts with Gardner's syndrome have
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osteomas
colon polyps (which can turn cancerous) dental abnormalities |
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Fibrous Dysplais
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Tumor of fibrous orign with hallmark "GROUND GLASS" appearance
ususally seen in long bones and canncause cortical expansion Shepherd's crook deformity seen in the femur |
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Unicameral bone cyst
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hallmoar - "fallen fragment sign"
most often in calcaneus high reoccurrence rate after surgical removal |
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Giant Cell tumor
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hallmark is "soap bubble appaearance"
can acuaswe cortican expansion and is afaster growing benign tumor has a high correlation with Paget's diease ofthe bone |
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Pigmented Villa Nodular Synovitis
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innflamed synovium cna becom sever and even cause osseous erosion
hemosderin deposits on skin usually mono-articualr esp. at knee joint, can be seen in foot and wrist |
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Brown tumor
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cause by hyper parathryoidism causing ostoecastic activity anhd bone break down
these areas of ocalize resorption where bleeding is present are called brown tumors |
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What is the most common malignant bone tumor int he body
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Multiple myeloma
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What does multiple myeloma look like, what is found in urine with it, where does it arise form
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lytic "punched out " lesion which primarily affects the axial skeletion
bence jones protients foun in the urin areise form plasma cells of boen marrow |
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Osteosarcoma
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radiographically - "sun burst" or "hair on end" destructive pattern"
commonly on femur Pt. will expereince bone pain, malaise and other symptoms |
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Ewing's sarcoma
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Malignant tumor that arise form the bone marrow
usually affects the femur or spine mor prevalent in children and caucasians "onion skin" periosteal reaction |
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Fibrosarcoma
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Malignant tumor of fibrous origin, slower grwoin
displays "permaeative or motheaten" pattern of ossous destruction |
