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Bone Tumors Pathoma- Questions and Answers 100% Pass
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Bone Tumors Pathoma- Questions and Answers 100% Pass
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Bone Tumors Pathoma- Questions and Answers 100%Pass
Clinical Complication of osteochondroma Correct Ans-Development of Chondrosarcoma of
overlying Cartilage
osteosarcoma Correct Ans-malignant proliferation of osteoblasts
peak incidence for osteosarcoma Correct Ans-teenagers
then elderly
risk factors for osteosarcoma Correct Ans-familial Rb; (younger)
Paget dz; (elderly)
radiation exposure (elderly)
osteosarcoma arises in what portion of the bone Correct Ans-metaphysis
osteosarcoma occurs in which bones Correct Ans-Distal Femur or Proximal Tibia
clinical features of osteosarcoma Correct Ans-pathologic fracture of distal femur or
proximal tibia; bone pain w/swelling
, Bone Tumors Pathoma- Questions and Answers 100%
Pass
X-ray of osteosarcoma Correct Ans-"Destructive Mass w/ Subburst appearance & lifting of
the periosteum"
bone bx for osteosarcoma Correct Ans-large pleomorphic cells producing osteoid(Pink)
only tumor that arises in the epiphysis of long bones Correct Ans-giant cell tumor of distal
femur or proximal tibia usually
soap-bubble appearance on x-ray Correct Ans-locally aggressive recurrent giant cell tumor
Ewing sarcoma cells are derived from what? Correct Ans-malignant proliferation of poorly-
differentiated cells derived from *neuroectoderm*
Ewing sarcoma arises in what location & in what px Correct Ans-arises in the diaphysis of
long bones, usually in male children
onion-skin appearance on x-ray Correct Ans-Ewing sarcoma of diaphysis of long bones in
male pediatric patient
Osteoma Correct Ans-benign tumor of bone most commonly on *surface of facial bones*
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