PMC9467893_01
Chest radiograph shows reticular opacities in the right middle and lower lung field without volume change.
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Chest radiograph showed reticular changes in the right middle and lower lung fields without volume change (Fig. 1). 3D-CT with enhancement showed absent right interlobar pulmonary artery without any other abnormalities of the pulmonary artery, and an enlarged inferior phrenic artery (Fig. 2).
A and B, Contrast-enhanced chest CT (LightSpeed 16, General Electric Medical Systems, Milwaukee, WI) with coronal reconstruction and 3D CT shows abrupt interruption of the right interlobar artery (white arrow) without endoluminal changes, and a normal-sized right main pulmonary artery and right upper lobe artery. There is no evidence of multiple bilateral pulmonary arterial abnormalities usually seen in chronic pulmonary thromboembolism. C, Contrast-enhanced chest CT with coronal reconstruction shows prominent right inferior phrenic artery (white arrow).
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Chest radiograph showed reticular changes in the right middle and lower lung fields without volume change (Fig. 1). 3D-CT with enhancement showed absent right interlobar pulmonary artery without any other abnormalities of the pulmonary artery, and an enlarged inferior phrenic artery (Fig. 2).
High-resolution CT (HRCT) demonstrates ground-glass opacities, reticular changes, and small cysts (black arrows) in the right lower lobe suggesting a unilateral involvement of the interstitial lung abnormality changes.
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High-resolution CT demonstrated ground-glass opacities, reticular changes, and small cysts in the right middle and lower lobes (Fig. 3), which were compatible with interstitial lung abnormality.
Lung perfusion scan shows total defect in the right middle and lower lobes (black arrow).
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Lung perfusion scan showed total defect in the right middle and lower lobes (Fig. 4).