A: Gastrointestinal endoscopy, otherwise known as gastroscopy, is an examination of the upper gastrointestinal tract, using a long flexible telescope to do so. “It is a simple and useful way for ...

A gastroscopy at the age of 15 months revealed longitudinal furrowing and white plaques in the esophagus; stomach and duodenum were macroscopically normal. Histological examination of esophageal ...