PMC6214340_01
Posteroanterior chest radiograph showing hyperinflated left lung with reduced right lung volume.. Note: There is also decreased vascularity and hilum not well visualized on the right hemithorax (RH).. Abbreviations: L, left; T, trachea, RH, right hilum.
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Chest X-ray showed hyperinflated left lung and reduced right lung volume with decreased vascularity and trachea shifted to the right (Figure 1).
Transthoracic echocardiogram parasternal short axis view.. Notes: (A and B) Transthoracic echocardiogram. (A) (2D mode) in parasternal short axis view demonstrating absence of the right pulmonary artery with main pulmonary artery continuing as left pulmonary artery. (B) (Color flow mode) shows a parasternal short axis view demonstrating presence of flow only through main pulmonary artery and left pulmonary artery.
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Echocardiography demonstrated absence of the right pulmonary artery with no other cardiac lesion (Figure 2).
(A-D) Sequential chest CT images demonstrating volume loss of the right hemithorax with shift of the mediastinum toward the right.. Notes: The left lung is hyperinflated and herniated to the right through the anterior mediastinum. The right pulmonary artery is not visualized and the main pulmonary artery is horizontally oriented. The right hilum is small and left hilum is enlarged. The left main pulmonary artery and its division are prominent.. Abbreviations: AA, ascending aorta; CT, computed tomography; DA, descending aorta; IRPA, interrupted (absent) right pulmonary artery; LPA, left pulmonary artery; MPA, main pulmonary artery.
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Subsequent computed tomography (CT) scan also showed hypoplastic right lung with absent right pulmonary artery (Figure 3).