Patients can also present with signs caused by complications such as perforation, obstruction and bleeding. The majority of benign gastric ulcers are 1 to 2 cm in size. When seen in profile the ulcer niche projects outside the normal barium-filled lumen, because the ulcer is an excavation in the wall of the stomach. Gastric ulcers are a round or oval and run perpendicular to the gastric wall. In the stomach, ulcers have to be differentiated between benign and malignant.
Malignant ulcers represent ulcerated gastric cancers.
The radiologic differentiation between benign and malignant ulcers may be difficult. Response to therapy and endoscopy with biopsy are methods that differentiate between benign and malignant ulcers. Duodenal Ulcers Case 1 Case 2 Case 3 Duodenal ulcers are four or five times more frequent than gastric ulcers nowadays. Almost all duodenal ulcers develop in the duodenal bulb. Duodenal ulcers are virtually all benign.