SPONTANEOUS pneumothorax in the newborn infant is relatively rare. Davis and Stevens1 (1930) reported finding 6 instances of spontaneous pneumothorax in newborn infants among 702 consecutive roentgenographic examinations. De Costa2 (1940) reviewed 67 reported instances of pneumothorax during the first few months of life. Ten days was set as the maximum time for the recognition of pneumothorax associated with birth. In this study he considered 46 cases in which pneumothorax occurred in direct connection with birth plus 2 of his own. He suggested the classification "spontaneous pneumothorax abrupta" for those cases in which symptoms are noted from birth or shortly thereafter, and "pneumothorax lenta," for those in which there are mild symptoms with gradual onset. In the addendum 3 additional unreported cases were commented on. In this series of 72 cases a cesarean section was performed only four times (Emmert3 , Bertin4 , Holz5 
SCOTT EP, ROTONDO CC. SPONTANEOUS PNEUMOTHORAX IN THE NEWBORN. Am J Dis Child. 1946;72(2):207–210. doi:10.1001/archpedi.1946.02020310073006
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