A Case of Chemocauterization Treatment of Newborn With Prenatally Diagnosed Pyriform Sinus Fistula

Abstract

We experienced treating a newborn with pyriform sinus cyst by chemocauterization. A male infant, who had a left cervical cyst as shown by fetal echo and MRI, was referred to our department after cesarean section delivery and diagnosed as having pyriform sinus cyst on the basis of CT and esophagography findings. As the fistula orifice was detected using an endoscope, we tried chemocauterization using 10% AgNO₃ solution with drainage of the cyst 13 days after birth. It was successful and there were no complications after the operation; the patient could start oral feeding from the second postoperative day (POD), and the drainage tube was removed on the seventh POD. For five months thereafter, he had no recurrence or complication; thus, we concluded that chemocauterization is an effective treatment even in newborn patients.