Which of the following is the incorrect description of malignant ulcers?
A: In posteroanterior view, the niche is round or unrepresentative round, surrounded by convex curves
B: Relatively large cancerous ulcer with shallow depth
C: In posteroanterior view, the contour of the niche is outwards, surrounded by concave curves
D: Large areas of mucosal folds around the ulcer are destroyed and disappeared
E: Mucosal folds are concentrated towards the niches, and they are interrupted halfway before they arrive
A: In posteroanterior view, the niche is round or unrepresentative round, surrounded by convex curves
B: Relatively large cancerous ulcer with shallow depth
C: In posteroanterior view, the contour of the niche is outwards, surrounded by concave curves
D: Large areas of mucosal folds around the ulcer are destroyed and disappeared
E: Mucosal folds are concentrated towards the niches, and they are interrupted halfway before they arrive
举一反三
- Which of the following is the incorrect description of duodenal ulcers? A: Duodenal bulb ulcer and gastric ulcer are similar in size, with a diameter of about 5-500px B: Most of the duodenal ulcers occur in the bulb C: Duodenal bulb ulcers are mostly in the posterior or anterior wall D: Axial image of duodenal bulb ulcer presents as a round or grain-like increased density E: Duodenal ulcers can cause irritation
- The X-ray finding of duodenal ulcers is____. A: niches B: bulb deformation C: mucosal disorder and tortuosity D: pyloric spasm
- The direct X-ray finding of duodenal ulcers is ________. A: niches B: bulb deformation C: mucosal disorder and tortuosity D: pyloric spasm
- There are the complications resulting from peptic ulcers except for( )() A: ulcer bleeding B: constipation C: ulcer perforation D: gastric obstruction
- Cross curves of stability show which of the following（）.