what is paget disease
1 Paget's disease is a chronic bone disorder. 2  Paget's disease frequently causes no symptoms. 3  Paget's disease can cause pain in the bones or joints, headaches and hearing loss, pressure on nerves, increased head size, bowing of limb, or curvature of spine.aget's disease affects older skeletal bone of adults. It's estimated that 1% of adults in the U.S. have Paget's disease. There is also an extremely rare form of Paget's disease in children, referred to as juvenile Paget's disease. Paget's disease is also known as osteitis deformans.