Roentgen features of the superficial depressed type of early gastric carcinoma.

The superficial depressed type of early gastric carcinoma is described. The macroscopic appearance is characterized by an irregular erosion, often associated with a deeper central ulceration. The surrounding mucosal folds exhibit abrupt termination, narrowing, and clubbing. The roentgen diagnosis requires good demonstrations of detail. The double-contrast technique is most important and informative and can be used to study almost any part of the stomach.