Osteosarcoma is a type of bone cancer that is fast-growing and aggressive. It is known for its tendency to form osteoid, which is a bone-like substance. There are several synonyms for the term osteosarcoma, including osteogenic sarcoma, bone cancer, and malignant bone tumor. Other less commonly used synonyms for the condition include osteoblastic sarcoma, Ewing's sarcoma, and chondrosarcoma. Each of these different synonyms refers to specific subtypes of bone cancer, based on the type of cells that are affected and the location of the tumor. Regardless of the terminology used, early detection and prompt treatment are crucial for combating this potentially life-threatening disease.