The clinical importance of gastritis has been more apparent with each new development in our diagnostic armamentarium. The improvement of technics in radiology, the greater interest in differential diagnosis of the vague disorders of the gastro-intestinal system along with the development of endoscopic and laboratory procedures, has led to more accurate interpretation and classification of gastritis. Despite great progress in the understanding of the pathology and recognition of various gastritides, there is much to be learned regarding the clinical significance of this group of disorders. Gastritis occurs frequently. It was discovered by Schindler in 41.8 per cent of 1,000 patients studied gastroscopically in America (1). Other observers have found the incidence to be as low as 12 per cent of the patients examined (2). In spite of the frequency of its occurrence, gastritis is not so often of serious importance from a clinical point of view. In our experience, the most practical aspect of the disease is t...