Fig. 9.

Congenital pulmonary airway malformation (CPAM) in a 13-year-old boy with recurrent respiratory tract infections. a Frontal and (b) lateral chest radiographs show a large opacity (arrowheads) in the left lower lobe. On the frontal projection, the margins are indistinct. However, on the lateral radiograph, the lesion has well-defined margins anteriorly and superiorly. c Because of the boy’s age, the clinical history and the radiographic appearance, a CT angiogram was obtained; showing a large lesion with multiple air-filled cystic spaces and no systemic arterial supply. The diagnosis of CPAM was confirmed after surgery