Pulmonary sequestration: angioarchitecture evaluated by three-dimensional computed tomography angiography.

Area of Science:

• Cardiothoracic Surgery
• Diagnostic Imaging
• Pediatric Surgery

Background:

• Pulmonary sequestration is a congenital lung malformation characterized by non-functioning tracheobronchial tissue with an anomalous systemic arterial supply.
• Intralobar pulmonary sequestration (IPS) is the most common type, often presenting with atypical symptoms or incidentally discovered.

Observation:

• A case of intralobar pulmonary sequestration is presented.
• The abnormal systemic arterial supply and, notably, the abnormal venous drainage were visualized.
• Three-dimensional computed tomography angiography (3D-CTA) was utilized for detailed anatomical assessment.

Findings:

• 3D-CTA effectively demonstrated the complex vascular anatomy of the pulmonary sequestration, including the aberrant artery and draining vein.
• Video-assisted thoracoscopic surgery (VATS) was successfully employed for the confirmation and treatment of the condition.
• This approach allowed for precise identification and management of the sequestration.

Implications:

• 3D-CTA is a valuable tool for pre-operative planning in pulmonary sequestration cases, particularly for delineating venous drainage.
• VATS offers a minimally invasive and effective treatment option for intralobar pulmonary sequestration.
• Improved understanding and application of advanced imaging and surgical techniques can lead to better patient outcomes for this rare congenital anomaly.