Presentation
Recurrent pulmonary infections.
Patient Data
There is a left lower lung consolidation of posterobasal location with a cystic component within and surrounding nodular, and micronodular opacities (infected). The lesion shows a systemic arterial supply taking origin from the descending thoracic aorta above the diaphragm. The venous drainage is via the pulmonary venous system.
Case Discussion
CT features suggestive of an infected intralobar pulmonary sequestration
Pulmonary sequestration must be suspected in the presence of persistent lower lobes consolidation (containing air if infected) in a patient with a history of repeated pulmonary infection. The systemic arterial supply from the thoracic aorta is the key to the diagnosis.
Additional Contributor: R Bouguelaa, MD.
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