Pathology · Skeletal System · Medium
Osteosarcoma
Meaning: Malignant bone tumour whose cells produce osteoid, typically arising in the metaphysis of a long bone.
In practice: Classically found around the knee in teenagers, with a sunburst periosteal reaction and Codman triangle on radiographs.
Word parts
- osteo- means bone
- -oma means a lump, mass or tumour
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