[Double-contrast examination in hypotonia in the operated stomach (author's transl)].

The technique of examination, as well as the extent and quality of visualisation are described, basing on a selected case material of patients who had been subjected to stomach surgery; the extensive possibilities of diagnosis are studied. Hypotonia and double contrast offer considerable advantages over the conventional examination of the operated stomach. Assessment of mucosal conditions, especially in the anastomosis range, is facilitated, thus offering a chance to improve the method of diagnosis. Hypotonic double-contrast examination should always be performed if there are no possibilities of endoscopic examination.