PMC9890208_01
Axial arterial phase CT scan demonstrating pulmonary sequestration (bottom arrow). A large venous branch draining into the azygous vein can be identified (top arrow).
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Computed tomography (CT) scans demonstrated a well-demarcated right-sided 5.5 x 2.6 cm paramediastinal solid mass, with associated atelectasis of the RUL (Figs 1 and 2).
Sagittal CT scan demonstrating pulmonary sequestration in the right upper lung lobe (arrow).
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Computed tomography (CT) scans demonstrated a well-demarcated right-sided 5.5 x 2.6 cm paramediastinal solid mass, with associated atelectasis of the RUL (Figs 1 and 2). Traversing this segment, a large venous tributary of the azygous vein was identified (Fig. 2).
(A, B): Intraoperative thoracoscopic images demonstrating pulmonary sequestration (top arrow). A venous branch (middle punctuated arrow) of the azygous vein (middle solid arrow) may be appreciated. A surgical clip was placed on a systemic feeding artery (lowest arrow).
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The impression of the surgical team was that this was a rare case of RUL BPS (Fig. 3).
Histology image of the resected pulmonary section. Dilated bronchial spaces with mucous impaction can be identified (arrows).
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On sectioning, the lung parenchyma was extensively pneumonitic, and areas of fibrosis were identified surrounding blind and dilated bronchial spaces (Fig. 4).
Anteroposterior post-operative chest radiograph.
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Follow-up radiographs demonstrated absence of any remaining pathology (Fig. 5).