• Jiajia Zhou, Guobin Liu, Xiaofeng Song, Hongjiang Liu, Dengliang Wang, and Quan Kang.
• Department of General Surgery and Trauma Surgery, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China.
• Medicine (Baltimore). 2023 Mar 24; 102 (12): e33404e33404.

RationalePediatric pyloric obstruction is a condition characterized by complete or incomplete obstruction of the distal stomach caused by obstructive lesions of the distal stomach, pyloric duct, or proximal duodenum. Congenital hypertrophic pyloric stenosis is the most common cause of pediatric pyloric obstruction, whereas acquired pyloric stenosis is comparatively rare, with peptic ulcer disease being the most common cause.Patient ConcernsWe describe a case of a 5-year-old girl who had peptic ulcer disease and developed scarring pyloric stenosis. We also give comprehensive details of the diagnosis and course of treatment.DiagnosisIntraoperative findings revealed ulcerative, scarring pyloric obstruction.InterventionsConservative treatment failed and surgery was subsequently performed.OutcomesNo further vomiting symptoms occurred after surgery. And 3 months after surgery, the patient had gained weight on average and had no further complaints.LessonsAlthough scarring pediatric pyloric blockage due to peptic ulcer is less common, emphasis should be placed on rapid diagnosis by accurate gastroscopy, barium meal of the gastrointestinal tract, or ultrasonography. Depending on the patient's condition, conservative treatment or surgery should be chosen carefully selected.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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