Gastric Crohn’s disease presenting as a subepithelial tumor: A case report

Table 2 Clinical, endoscopic, and histopathological features and differential diagnoses of upper gastrointestinal involvement of Crohn’s disease

Category	Key features/findings
Clinical symptoms	Epigastric discomfort, epigastric pain, vomiting, dysphagia, weight loss, anorexia
Endoscopic findings	Aphthous ulcers, linear ulcers, cobblestone appearance of the mucosa, erosions, esophageal stricture, gastric outlet obstruction, duodenal stricture
Histopathological features	Noncaseating granulomas, chronic active inflammation, lymphoid follicular hyperplasia
Differential diagnoses	Esophagus-reflux esophagitis, eosinophilic esophagitis, viral esophagitis, tuberculous esophagitis, Stomach-Helicobacter pylori gastritis, NSAID-induced gastritis, tuberculous gastritis, Ménétrier’s disease, gastric lymphoma, Duodenum-peptic ulcer disease, celiac disease, tuberculous duodenitis, Brunner’s gland hyperplasia, duodenal lymphoma

NSAID: Nonsteroidal antiinflammatory drug.