noun
definition
A type of cancer of the bone
Examples of osteosarcoma in a Sentence
The use of methotrexate high-dose regimens recommended for osteosarcoma requires meticulous care due to the potential for additive or synergistic renal toxicity.
These results strongly suggest that Rb gene alteration is pertinent to the tumorigenesis of most osteosarcoma cases and some other bone and soft-tissue tumors.
Children with osteosarcoma (bone cancer) and other solid tumors are candidates for surgery, however.
Osteogenic sarcoma, or osteosarcoma, is the most common form of bone cancer, accounts for 6 percent of all instances of the disease, and for about 5 percent of all cancers that occur in children.
Nine hundred new cases of osteosarcoma are diagnosed in the United States every year.
The next likely location for an osteosarcoma is the bone of the upper arm closest to the shoulder (the proximal humerus).
A bone that has been broken or exposed to high doses of radiation used to treat other cancers is more likely than other bones to develop osteosarcoma.
Cytogenic and molecular genetic studies, which assess the structure and composition of chromosomes and genes, may also be used to diagnose osteosarcoma.
An osteosarcoma may be localized or metastatic.
A localized osteosarcoma has not spread beyond the bone where it arose or beyond nearby muscles, tendons, and other tissues.
A metastatic osteosarcoma has spread to the lungs, to bones not directly connected to the bone in which the tumor originated, or to other tissues or organs.
Because osteosarcoma is so rare, patients should consider undergoing treatment at a major cancer center staffed by specialists familiar with the disease.
When an osteosarcoma develops in the jawbone, the entire lower jaw is removed.