Classification of anorectal anomalies: a critical analysis.
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Biomedical subjects
Publications and source records attributed to S L Gans.
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Hypertrophic pyloric stenosis, a relatively common condition, is caused by hyperplasia of the musculature of the pylorus. The diagnosis is made by a history of projectile vomiting and failure to gain weight, the observation of gastric peristaltic waves, and the palpation of a pyloric "tumor." A method of palpating this tumor is described in detail. Roentgenological studies are rarely indicated. Pylorotomy for treatment of hypertrophic pyloric stenosis was not successful until the development of necessary supporting measures. Preparation for operation consists of intravenous administration of fluids and electrolytes and sometimes serum or whole blood. The position of the tumor governs the choice between two different incisions. The operative procedure herein described is essentially that devised by Ramstedt many years ago, with modifications to facilitate the procedure.