Congenital Lobar Emphysema

Summary 1. A case of congenital lobar emphysema is described. 2. Attention is drawn to the fact that three clinical groups of this condition can be recognized. 3. Although a common aetiological factor has not yet been described, a cartilage deficiency in the bronchi has been demonstrated in many of the reported cases. 3. The possible surgical significance of breathlessness in babies is stressed.