Last reviewed: 12 Feb 2025
Last updated: 12 Dec 2024

Summary

Differentials

Common

  • Constipation
  • Acute appendicitis
  • Gastroenteritis
  • Urinary tract infection
  • Abdominal trauma (blunt or penetrating)
  • Cholelithiasis/cholecystitis
  • Primary dysmenorrhoea
  • Pneumonia
  • Functional abdominal pain
  • Infantile colic

Uncommon

  • Intussusception
  • Meckel's diverticulum
  • Mesenteric adenitis
  • Hirschsprung's disease
  • Ulcerative colitis
  • Crohn's disease
  • Small bowel obstruction
  • Volvulus
  • Large bowel obstruction
  • Necrotising enterocolitis
  • Peptic ulcer disease
  • Coeliac disease
  • Viral hepatitis
  • Biliary dyskinesia
  • Acute pancreatitis
  • Splenic infarction/cysts
  • Nephrolithiasis
  • Sepsis
  • Testicular torsion
  • Ovarian torsion
  • Ruptured ovarian cyst
  • Pelvic inflammatory disease (PID)
  • Pregnancy complications
  • Empyema

Contributors

Authors

Charles L. Snyder, MD

Professor of Surgery

University of Missouri

Kansas City Children's Mercy Hospital

Kansas City

MO

Disclosures

CLS declares that he has no competing interests.

Jeong Hyun, MD

Assistant Professor of Surgery

Stanford University

Lucile Packard Children's Hospital

Stanford

CA

Disclosures

JH has several research grants for translational work with Crohn's disease for Stanford University.

Acknowledgements

Professor Charles L. Snyder and Dr Jeong Hyun would like to gratefully acknowledge Dr KuoJen Tsao, Dr Kathryn Tinsley Anderson, Dr Luke R. Putnam, Dr Shinil K. Shah, Dr Nathan D. Allison, and Dr Peter A. Walker, previous contributors to this topic.

Disclosures

KT, KTA, LRP, SKS, NDA, and PAW declare that they have no competing interests.

Peer reviewers

Kimberley Chien, MD

Associate Professor of Clinical Pediatrics

Weill Cornell Medicine

New York

NY

Disclosures

KC declares that she has no competing interests.

Ann O. Scheimann, MD, MBA

Associate Professor of Pediatrics

Johns Hopkins School of Medicine

Baltimore

MD

Disclosures

AOS declares that she has no competing interests.

Karla Au. Yeung, MD

Assistant Professor

Pediatric Gastroenterology and Nutrition

The Johns Hopkins Hospital

Baltimore

MD

Disclosures

KAY declares that she has no competing interests.

Raymond G. Buick, MB BCh, BAO, FRCS (Edin), FRCS (Eng)

Consultant Paediatric Surgeon

Department of Paediatric Surgery

Birmingham Children's Hospital

Birmingham

UK

Disclosures

RGB declares that he has no competing interests.

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