Introduction: Most cases of bronchopulmonary sequestration (BPS) regress. Prenatal intervention is needed in cases of fetal hydrothorax or hydrops. Laser is commonly used to ablate the feeding artery. Case Presentation: In a fetus with BPS, radiofrequency ablation (RFA) was used to ablate the feeding artery arising from descending aorta at 29 weeks gestation. There was an extralobar BPS and significant pleural effusion causing mediastinal shift and collapse of lung. The effusion and tumor started decreasing from day 3 after procedure, and by the time patient delivered at 36 weeks gestation, the lesion had almost resolved. Conclusion: With proper technique, RFA can be safely used to ablate feeding artery in BPS.

Keywords:
Bronchopulmonary sequestration, Radiofrequency ablation, Fetal hydrops
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