BSIP / SCIENCE PHOTO LIBRARY BSIP / SCIENCE PHOTO LIBRARY
Hiatus hernia: false-colour gamma camera scan showing gastro-oesophageal reflux caused by a hiatus hernia, the protrusion of part of the stomach through the diaphragm into the chest cavity. The abnormality results in the contents of the stomach (acidic gastric juices) passing abnormally back up the oesophagus. Here, the stomach contents appear as the red mass in centre, with the reflux as the red "horn" at upper left. All or part of the stomach may extend through the opening (hiatus) that normally admits the oesophagus. Reflux is the most usual symptom of a hiatus hernia & is treated with antacids until surgical correction is possible.
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