PYLORIC obstruction may result from the swallowing of corrosive substances. It is not generally known that this complication may occur.
When alkalies or acids are taken into the mouth in sufficient concentration, the appearance of a burn about the mouth may be noted; and if these substances are swallowed, the whole alimentary tract may become involved, and marked corrosion and perforation may result. If the patient survives the immediate effects, there usually results fibrosis of the esophageal and gastric mucosa, with subsequent choking-off of the gastric glands and altered digestion.1 If this fibrosis is severe enough, stricture results, and the severity of the stricture is dependent upon the extent and depth of the fibrosis. Cicatricial areas in a large lumen, such as the fundus of the stomach, may cause no obstruction, whereas the same amount of scarring in a narrow lumen, such as the esophagus or pylorus, may cause
McKIBBEN BG, LEE S. STENOSIS OF THE ESOPHAGUS AND STOMACH FOLLOWING THE INGESTION OF CORROSIVE SUBSTANCES. AMA Arch Otolaryngol. 1955;61(1):2–8. doi:10.1001/archotol.1955.00720020015002
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