A benign tumor or growth composed of both cartilage and bone tissue.
From Greek chondros (cartilage) + osteo (bone) + -oma (tumor). The term combines the roots for the two tissue types that comprise the tumor.
Chondrosteomas are interesting because they contain both cartilage and bone in the same tumor, which means doctors have to look carefully under the microscope to figure out which type of tumor-fighting treatment would work best.
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