In 1876, Sir James Paget1 reported before the Medical and Chirurgical Society of London five cases of a rare and strange malady of the bones, to which he gave the name "osteitis deformans." Since that time, it has come to be known as commonly by his own name as by the one which he gave to it.
Forty-seven years have elapsed since that time and yet the literature yields us only about 250 cases which may be definitely recognized as Paget's disease of bone. Thus, in contrast to what we usually find after a careful and accurate description has been made of some disease entity which has before escaped our recognition, it still merits the descriptive adjective "rare." Cutler2 found seven in 285,000 outpatient admissions at the Massachusetts General Hospitalbetween 1903 and 1915; Hurwitz,3 only three in 30,000 medical admissions to the Johns Hopkins Hospital; Da Costa,
NEWTON FC. THE MONO-OSTEITIC TYPE OF PAGET'S DISEASE OF BONE (OSTEITIS DEFORMANS)REPORT OF THREE CASES. Arch Surg. 1924;8(1):24–38. doi:10.1001/archsurg.1924.01120040035002