The results of treatment of patients with stenosis of the esophagus of unrecognized genesis are discussed. The traditional method of diagnosis, radiological and endoscopic with target biopsy, produced diverse results. The authors describe a method for bougienage of the esophagus by means of an original bougie with which dilatation of the stenosed segment can be combined with collection of bioptic material from the stenosed part and its lower pole. This made it possible to verify the diagnosis and determine the subsequent therapeutic tactics.
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