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NCI Dictionary of Cancer Terms


osteitis deformans  listen  (OS-tee-I-tis dih-FOR-manz)

  A chronic condition in which both the breakdown and regrowth of bone are increased. Osteitis deformans occurs most frequently in the pelvic and leg bones, skull, and lower spine. It is most common in older individuals, and may lead to bone pain, deformities, and fractures. Also called Paget disease of bone.