Clinical Presentation

A newborn infant with respiratory distress.

Frontal radiograph of the chest demonstrates coarse interstitial opacities with increased lung volumes. There is no pleural effusion. Notice that the humeral epiphyses are ossified (arrows), indicating that this is probably a full-term infant.

Differential Diagnosis

• Meconium aspiration: Linear densities emanating from the hila and increased lung volumes are consistent with meconium aspiration.

• Transient tachypnea of the newborn: