Lack of proper development of the osseous system in the new-born, commonly called osteogenesis imperfecta, occurs with sufficient frequency to have long stimulated wide interest. Recent studies relating the parathyroid glands to disease of the bone would seem to justify the presentation of the following case.
REPORT OF CASE
History.—The patient was a white girl, aged 4¼ weeks. The mother was 30 years old; the father, 31 years. It was the first pregnancy. There was no familial history of diseases of the bone, syphilis or tuberculosis. The diet of the mother was adequate throughout pregnancy. The baby was full term and was delivered normally. Her birth weight was 7¼ pounds (3,288 Gm.). There was moderate cyanosis for a short time after birth. The infant had been on dilutions of whole milk since birth. At birth it was noticed that the upper and lower extremities were deformed; the legs were