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Gastroparesis

KEY FACTS Terminology Objectively delayed gastric emptying in absence of mechanical obstruction You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Zollinger-Ellison Syndrome

KEY FACTS Terminology Severe peptic ulcer disease associated with marked ↑ in gastric acid due to gastrin-producing pancreatic neuroendocrine tumor (gastrinoma) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Gastritis and Duodenitis

KEY FACTS Terminology Inflammation of gastric mucosa induced by group of disorders that differ clinically but share similar imaging features Common etiologies include Helicobacter  pylori , NSAIDs, steroids, alcohol and coffee, stress Imaging CT: Thickened gastric wall with submucosal edema Close to water density CT for global view and concern for extragastric complications (e.g., perforation) Upper GI series best for mucosal detail Mucosal erosions surrounded by…

Gastric Diverticulum

KEY FACTS Imaging Most (> 75%) are congenital, juxtacardiac diverticula Near gastroesophageal junction, on posterior aspect of lesser curvature of stomach Usually 1-3 cm, up to 10 cm in diameter On upper GI series Barium-filled diverticulum with air-fluid level CT findings Often in left suprarenal location – Mimics adrenal or pancreatic mass Connection to stomach may be subtle Air-filled, fluid-filled, or contrast-filled mass No enhancement of…

Stomach and Duodenum: Imaging Approach and Differential Diagnosis

Gastric Anatomy and Terminology The stomach is the alimentary reservoir for the mixing, grinding, and enzymatic digestion of food. It is divided into the cardia, fundus, body, antrum, and pylorus; each with its own specific function. The cardia is the portion of the stomach surrounding the esophageal orifice and the site where the lesser and greater curvatures meet. The fundus is the most cephalic part of…

Fibrovascular Polyp

KEY FACTS Terminology Rare, benign, tumor-like lesion of esophagus Originates within cervical esophageal wall but presents as intraluminal polyp or mass You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here