Pulmonary sequestration: intralobar
Recurrent attacks of chest pain and dyspnea
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Left lower lobe irregular mass which occupies the posterior basal segment of the left lower lobe and extending to the pleural surface.
A nicely demonstrated abnormal vessel is seen arising from the thoracic aorta to supply the mass.
The CT findings are keeping with a pulmonary sequestration.
The venous return of the sequestrated lobe which is not available can determine the type of the sequestration.