Orthopedic Oncology

Both grow locally and should not be inside the bone or muscle. Malignant tumors are usually more aggressive, grow faster and tend to metastatize (spread to other parts of the body) and they may spread to the lungs (most common). Benign tumors tend to grow slower and they also destroy the normal bone or muscle but do not metastasize. Benign tumors also tend not to recur as often as malignant tumors after surgical removal.