[Bronchiolar emphysema in a child at the age of 1 1/2 months].

Bronchiolar emphysema was found in an infant of 1.5 months of age in the course of a morphological investigation of a resected 5th segment. There were noted a peculiar incompleteness of the structure of the air-passage and respiratory apparatus of the lungs, diagnosed as arrest of development at the level of respiratory bronchioles. Muscular cirrhosis was not detected.