Chronic Abdominal Pain - Differential Diagnosis Algorithm Constant / Chronic-Fleeting / Post-Prandial Upper Quadrant: • Peptic ulcer disease • Gastroesophageal reflux disease (1,2) • Chronic pancreatitis • Pancreatic tumor • Gastric cancer • Liver distention (e.g., hepatomegaly, tumour) • Splenic (e.g., rare - splenomegaly, abscess) Lower Quadrant: • Crohn’s disease • Gynecologic (e.g., endometriosis, tumor) Any location/diffuse: • Ascites (1,2) • Neuropathic pain • Muscle wall • Somatization #Chronic #Abdominal #Pain #Differential #Diagnosis #Algorithm
