| Right upper quadrant | | Hepatitis | | Cholecystitis | | Cholangitis | | Biliary colic | | Pancreatitis | | Budd-Chiari syndrome | | Pneumonia/empyema pleurisy | | Subdiaphragmatic abscess | | Right lower quadrant | | Appendicitis | | Salpingitis | | Ectopic pregnancy | | Inguinal hernia | | Nephrolithiasis | | Inflammatory bowel disease | | Mesenteric adenitis (yersina) | | Epigastric | | Peptic ulcer disease | | Gastroesophageal reflux disease | | Gastritis | | Pancreatitis | | Myocardial infarction | | Pericarditis | | Ruptured aortic aneurysm | | Periumbilical | | Early appendicitis | | Gastroenteritis | | Bowel obstruction | | Ruptured aortic aneurysm | | | Left upper quadrant | | Splenic abscess | | Splenic infarct | | Gastritis | | Gastric ulcer | | Pancreatitis | | Left lower quadrant | | Diverticulitis | | Salpingitis | | Ectopic pregnancy | | Inguinal hernia | | Nephrolithiasis | | Irritable bowel syndrome | | Inflammatory bowel disease | | Diffuse | | Gastroenteritis | | Mesenteric ischemia | | Metabolic (eg, DKA, porphyria) | | Malaria | | Familial Mediterranean fever | | Bowel obstruction | | Peritonitis | | Irritable bowel syndrome | |
