Agenesis of the Lung and Patent Ductus Arteriosus with Reversal of Flow

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Abstract
AGENESIS of a lung is a rare developmental defect that is usually not recognized until after death. In the majority of the 57 cases reported the diagnosis was made at autopsy.1 2 3 Before 1942 the diagnosis was made correctly before death in only 3 cases; since then it has been made in 18 living patients.1 2 3 4 The increased frequency of ante-mortem recognition is probably due to the wider use of bronchoscopy, bronchography and angiocardiography in the investigation of obscure pulmonary conditions.3 Pulmonary agenesis is commonly associated with congenital anomalies of other organs, including the heart.1 2 3 Its association with a patent ductus arteriosus, . . .