Pulmonary Lymphangiectasia

  • Etiology: congenital grossly dilated lymphatic vessels throughout the lung due to narrowing or occlusion of the thoracic duct
  • Imaging: perihilar infiltrates due to interstitial and interlobular septal thickening, chylothorax
  • DDX: pulmonary edema

Radiology Cases of Pulmonary Lymphangiectasia

CXR of pulmonary lymphangiectasia
CXR AP and lateral shows mild cardiomegaly and diffuse interstitial infiltrates with no evidence of pleural effusions.