CLINICAL HISTORY.—A 4-hour-old male, who weighed 8 lb 6 oz (3.8 kg), was brought to the hospital because of cyanosis and difficult breathing. Two older siblings had not presented a similar problem. Pregnancy and delivery at term had been uncomplicated. In an oxygen tent the color of the infant improved and respirations became less labored. Plasma pH was 7.11, indicating respiratory (?) acidosis. Roentgenograms of the chest (Fig 1) presented an unusual picture. Appropriate therapy was instituted with subsequent disappearance of the untoward symptoms.
Denouement and Discussion
Cystic Adenomatoid Malformation of the Upper Lobe of the Right Lung
Following lobectomy on the second day of life, respiratory difficulty disappeared completely (Fig 2).Cystic adenomatoid malformation usually affects all of a single lung lobe. The age when symptoms begin is variable. When there is massive air-trapping by the cysts, severe respiratory distress usually starts in the neonatal
GWINN JL, BARNES GR, KAUFMAN HJ. Radiological Case of the Month. Am J Dis Child. 1966;112(1):61–62. doi:10.1001/archpedi.1966.02090100097013
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