Bronchopulmonary sequestration

Case contributed by Nikhil Chawla
Diagnosis certain


Routine antenatal ultrasound had revealed a triangular echogenic abnormality in the left lower lobe.

Patient Data

Age: 1 day
Gender: Male

Normal Study

A well defined triangular lesion is seen in posterior basal region of left lung.

Consolidative changes in right upper and bilateral lower lobes.

The arterial supply of the opacity is derived from the aorta at the D10-D11 vertebrae level. A well defined anomalous venous channel can be seen draining the opacity directly into the right atrium.

Above findings are consistent with bronchopulmonary sequestration

Case Discussion

Routine antenatal scan at 21 weeks of gestation demonstrated a triangular echogenic mass in the left lower lobe of the fetal lung displacing the heart to the contralateral side and deriving its blood supply from the descending aorta. The neonate at birth was not in any significant respiratory distress. 

Bronchopulmonary sequestration is usually classified as extralobar or intralobar type depending on the presence of independent visceral pleura of the extra lung tissue though in this case, it is difficult to make that distinction.

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