Clinical History.—A 2,722 gm (6 lb 7 oz) girl was born after a full-term, normal pregnancy and delivery. The Apgar score was 9. The clinical course in the nursery was uneventful. The infant presented at the age of three weeks with a two-week history of tachypnea. No feeding difficulties were present.
Physical Examination.—Examination revealed a weight of 3,459 gm (7 lb 10 oz), normal temperature, and a respiratory rate of 50 breaths per minute. Intercostal and subcostal retractions were present. There was no cyanosis. Breath sounds were heard normally on both sides. No adventitious sounds were heard. The cardiac impulse was felt on the right side of the chest; the heart sounds were normal; and there were no murmurs. The liver was just palpable under the right costal margin. A chest roentgenogram was obtained (Fig 1 and 2).
Denouement and Discussion
Congenital Pulmonary Cyst
A thoracotomy was performed, and a