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15 Cards in this Set

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What bone tumor would be likely in a teenage male with night pain relieved by aspirin?
Osteoid osteoma
An expansile, oval, lucent lesion inthe proximal phalanx of a thirty-five year old female is most likely ...?
an enchondroma
Do large or small lesions typically characterize malignant bone tumors?
large
"onion skin" changes int he periosteum are typical what bone tumor?
Ewing's sarcoma
Why are malignant bone tumors unlikely to be expansile?
They grow too fast.
Why do pathological fractures and rickets-like bowing occur in fibrous dysplasia patients?
Normal osseousl tissue is replaced by fibrous tissue thus weakieng the bone(s)
malignat tumors are often characterized by intense perosteal reactions. List four such descriptive reactions.
"hair one end" sunburs," codman's triangle, "onion skin"
list three pattersn of osseous destruction from bone tumors in ascending order of aggresiveness
geogaphic, moth-eaten, permeative
If a soft tissue mas is assocated with an osseous tumo, this indcates a tendency for the tumor to be benign or malignant
malignant
To prevent recurrence on removing an osteoid osteoma surgically, the surgeon must dow hat?
Excise central lucent nidus.
can an enchondroma convert to a malignant lesion and if so, what?
yes, chondrosarcoma
A disease manifested by multiple enchondromas is called ...?
ollier's disease
Maffuci's diseas is charactgerized by
Multiple enchondromas and hemangiomatosis
Name four bening bone tumors than can convert to a malignant one.
osteochandrom, enchondroma, giant cell, and fibrous dysplasia.
Regarding the clinical/radiographic/laboratory presentation, list ten commonalities for osteogenic sarcoma and osteomyelitis.
Malaise ("sick" paitent), calor athe the site, eyrtema at the site, tenderness atht he site, edema athe site, possible fever, bony destruction on radiography, codman's triangle on radiograph, positive bone scan, and increased WBC's