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Congenital pyriform sinus fistula (PSF) is relatively rare, but often presents diagnostic and therapeutic challenges. Herein, we report our experience of endoscopic-assisted surgery of PSF in children.Since 1999, 165 children (100 males, 65 females) with PSF had been enrolled. Their clinical manifestations were recurrent lateral neck infection, cervical mass and respiratory distress. Preoperative...
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