Intralobar Bronchopulmonary Sequestration with Mixed Venous Drainage in a 10-Year-Old Girl

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Abstract

Bronchopulmonary sequestration consists of a mass of abnormal lung tissue that has no normal connection with the bronchial tree and is supplied with blood from an aberrant artery mostly originating in the thoracic aorta. Two forms are recognized: intralobar and extralobar sequestration. The first is localized within the normal visceral pleura and has a venous drainage into the pulmonary system; the latter is localized without the normal lung in its own pleura with venous drainage into the systemic venous system. Intralobar sequestration is the most common form accounting for 75% of the cases. Intralobar sequestration usually presents in adolescence or adulthood with signs of recurrent pneumonia. Extralobar sequestration presents early in life with respiratory distress or feeding difficulties and is frequently associated with other congenital malformations. The diagnosis is confirmed by CT scan of the lungs and magnetic resonance angiography as demonstration of the aberrant vascular supply is essential for the diagnosis. Therapy consists in surgical removal.

We present a case of intralobar sequestration in a 10-year-old girl. The clinical symptomatology was typical. Arterial supply with two aberrant arteries and mixed venous drainage into the pulmonary and systemic systems were particular features.

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