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Endoscopic examination by using the guiding tube for various upper gastro intestinal diseases



Endoscopic examination by using the guiding tube for various upper gastro intestinal diseases



Gastroenterological Endoscopy 27(4): 488-494



A guiding tube was devised for gastroduodenal endoscopy and used it in 1574 cases since Oct. 1981. Also abrasive sponge cytology was performed as screening method for esophageal cancer in every cases. Using the guiding tube in endoscopic examination markedly decreased pain and discomfort of patients during the examination and particularly in changing of equipments. The guiding tube is made of silicone with 17.5 mm of external diameter, 12.5 mm of internal diameter and 22 cm of length. It is locked in a mouth piece. Among 1574 cases examined by endoscopy and sponge cytology using the guiding tube, 3 cases of early esophageal cancer were detected. Only 1 case was shown the lesion and 2 other cases were not revealed the location of the lesion by X-ray examination. One was detected only by the sponge cytology. One case of double cancer of esophagus and stomach, in which the esophageal lesion was missed by gastroendoscopy but was detected by the sponge cytology, was included. A fibercamera of type S3 and a fiberscope of type P10 passed easily through this guiding tube and changing of the equipment was very easy. Overflowing of gastric juice and dyeing fluid are smoothly discharged through this tube. The guiding tube was able to use for emergency endoscopic examination of patients with hematemesis.

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Accession: 005359246

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