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24 Cards in this Set
- Front
- Back
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Most common malignancy in the skeleton?
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Metastisis! Esp. lytic mets
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Most common PRIMARY malignancy in the skeleton?
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Multiple MYELOMA
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Most common "true" skeletal malignancy?
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Osteosarcoma
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What is a misnomer about myeloma?
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though it is the primary skeletal malignancy, it does NOT ARISE FROM OSTEOCYTES; it arises from hematologic cells
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Osteosarcoma usually comes in what form?
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LYTIC (70% lytic, 20% blastic, 10% other)
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diffuse osteopenia in a MALE = _____ ; diffuse osteopenia in a FEMALE = _______
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male = multiple myeloma ; female = post-menopausal osteoporosis
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calcified lesions are usually benign, except for_______
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chondrosarcoma
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_____ favors pedicles and _____ spares the pedicles
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favor pedicles = metastisis, spares = myeloma
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long bone lesions are usually:
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fibrous
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Giant cell tumors are ______ tumors
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quasi-malignant (no clear radiographic indication of benign or malignant status; though strong potential for malignancy)
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Teratomas begin from _______
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SPERM and OVUM (most pluripotential cells in body! hence the mixed tissue types in teratomas)
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alkaline phosphatase tests for?
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blastic metastasis
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acid phosphatase tests for?
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prostate metastasis
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calcium tests for?
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lytic metastasis
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mild vs. moderate vs high WBC elevation indicate?
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mild = bone malignancies
moderate = infection high = leukemia |
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serum protein electrophoresis looks for _____ characteristic of _____ disease?
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"M spike" characteristic; multiple myeloma
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ostesarcoma m/c around which area?
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knee
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osteoma m/c around which area?
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skull & sinuses
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diaphysis = ?
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mostly, Mets & Ewings sarcoma
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epiphysis = ?
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giant cell tumor
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metaphysis =?
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mets, osteo-,fibro-chondro-sarcoma, multiple myeloma
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subarticular = ?
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giant cell tumor
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flat bones = ?
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reticulo-endolethial tumors (these need red marrow and flat bones are where its at, yo)
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diffuse lesions m/c from ______ and are seen in _______
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from blastic mets & paget's (tho paget's enlarges the bone and mets don't) ; seen in VB's
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