Persistent congenital atelectasis in older infants is an interesting and comparatively rare condition, and for that reason the following report of a case is warranted.
REPORT OF A CASE
History.—B. C., a girl, aged 11 weeks, was first seen at home on April 29, 1932. The infant was born at a hospital on February 11, at full term, and weighed 6 pounds and 8 ounces (2,948.34 Gm.) at birth. The birth was normal in all respects. During the first six days of life the baby did not nurse well, and during the first month of life she was unusually drowsy and had frequent cyanotic spells. The attending physician, who examined her frequently, diagnosed the condition as possible involvement of the thymus but ordered no roentgenograms or treatment of any kind to relieve the cyanosis. During the second month of life the baby improved; she ate well, and the cyanotic