During the past few years physicians, and pediatricians in particular, have been making earlier diagnoses in cases of masked anomalous conditions in new-born infants. This is probably due to a better understanding of the symptoms of these conditions and to the newer knowledge of the benefits of early surgical intervention.
REPORT OF A CASE
E., a boy, was born at a private hospital. Pregnancy had been normal. Low forceps delivery was necessary, and some difficulty was encountered in delivering the posterior shoulder. There was a little trouble in resuscitation, but otherwise the baby appeared normal in every respect. After the usual interval he was put to the breast, but he did not nurse well and had a tendency to gag and vomit the milk taken. Twelve hours after delivery it was noted that he did not use his right arm and that the arm hung limp at all times. Twenty-four