Example of a Stomach Hernia

Description

Centered on the gastroesophageal junction, the distal esophagus descends superiorly into the cardia of the stomach, where mucosal rugae radiate across the gastric lumen in the expected longitudinal folds. A segment of stomach is shown displaced through a hernia defect, with the proximal stomach (cardia and adjacent fundus) positioned abnormally superior to its usual relationship with the esophageal hiatus of the diaphragm. Medially, the lesser curvature continues toward the esophagus, while the more lateral wall expands into the fundus, emphasizing how the ventriculus (gaster) can migrate relative to the hiatus when normal fixation is lost. Red-pink coloration highlights the vascular mucosa. Hiatal hernia anatomy matters because small differences in position change symptoms and management: a sliding hernia shifts the gastroesophageal junction above the diaphragm and commonly drives reflux, while a paraesophageal hernia can leave the junction in place yet place the fundus alongside the esophagus, raising concern for incarceration, obstruction, or gastric volvulus. This close mucosal view also reinforces the functional distinction between esophageal squamous lining and gastric rugal folds at the transition zone, a frequent teaching point when discussing reflux esophagitis and Barrett metaplasia. Orientation is the whole story. The displaced stomach segment makes the mechanical basis of reflux intuitive. Use this illustration in abdominal anatomy and GI pathophysiology courses to anchor discussions of the esophageal hiatus, the angle of His, and why hernia-related GERD persists despite normal acid production. It also fits well in patient-facing surgical education for laparoscopic hiatal hernia repair and fundoplication, where explaining the direction of herniation and the targeted reduction back into the abdomen is often the hardest step. Anatomical accuracy verified by SciePro's Medical Advisory Board.