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Esophageal stenosis secondary to lye ingestion and surgical repair of esophageal atresia have been treated traditionally with bougienage. More recently, it has been described a new technique to treat them, based in the works of GRUNTZIG which employs balloon catheters for vascular stenosis. We present a series of 11 patients treated by these method, with a total of 17 stenosis. Ten patients had ingested lye and one had an esophageal atresia. We describe the method employed. 91% of the cases had a satisfactory evolution.