Adult pyloric hypertrophy is rare. There is the typical hypertrophied pyloric thickening as seen in infants and there may be a long history of gastric symptoms leading to frank pyloric obstruction. The key differential diagnoses are those of pyloric carcinoma and pyloric stenosis.
The congenital pyloric hypertrophy may have persisted and only become manifest in adult life. Treatment entails pyloroplasty or gastrojejunostomy.
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