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Endoscopic study on acute upper gi lesions by corrosive substance ingestion

Endoscopic study on acute upper gi lesions by corrosive substance ingestion

Gastroenterological Endoscopy 29(10): 2179-2187

In 5 years and months between Sep. 1980 and Apr. 1986, 72 patients were admitted to our department for ingestion of corrosive chemicals, of whome 17 patients were examined by early panendoscopy. In 8 patients who had taken Paraquat, which has been recently regarded as a social problem, redness and erosion in the oral cavity were observed, and redness, edema and erosion extended to E. G. J. involving both upper and lower esophagus. Severely affected patients showed ulceration and stenosis, but the effect on the stomach and duodenum was slight. In the cases of swallowing acid mistake, 4 cases of cresol showed redness and edema in the esophagus and stomach, and 2 cases of organophosphate only a slight redness in the stomach. Hydrochloric acid and formalin, each taken by one patient, caused erosion and ulceration in the stomach and duodenum, rather than in the esophagus. One patient who had taken a toilet cleaner containing hydrochloric acid (10% HCI) developed stricture at the entrance of esophagus at 4 months after the accident, for which gastrostomy was done. As compared to the other acute upper GI lesions, the lesions produced by corrosives tended to be marked in the oral cavity and esophagus, and to be slight in the stomach and duodenum, being accompanied by marked congestion and edema. Early panendoscopy was helpful in evaluating the lesion and making a decision about treatment though it was contraindicated in patient with poor general condition.

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Accession: 005359647

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