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5
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Malignant tumor of the skeleton characterised by the formation of immature bone or osteoid tissue by the tumor cells
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6
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Benign, fluid-containing lesion, usually occurring in the metaphysis of a long bone
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7
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Soft spots or holes in a bone caused by cancer cells
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9
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Blood-filled lesions caused by arteriovenous malformations or vascular injury
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10
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Benign hyaline cartilaginous neoplasms that develop within the medullary cavity of bone
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11
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An eccentric, lucent lesion in the metaphysis, and extends to the subarticular cortex of the bone, but does not involve joint
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12
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A cancer that starts in the plasma cells in bone marrow
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13
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Malignant tumor of cartilaginous origin that may originate newly or within a preexisting cartilaginous lesion
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14
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Formed from cancer cells spreading to the bones from their original site
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15
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Benign bone lesion with a nidus of less than 2 centimeter surrounded by a zone of reactive bone
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