目的：探讨超声内镜（EU S）对常规内镜检查怀疑为恶性胃溃疡的诊断价值。
Objective: To study the diagnosis assessment by Ultrasonic endoscope (EUS) in malignant gastric uncler suspected by routine endoscopy.
所有的胃溃疡和胃部肿块必须检，因为仅从外观上不可能判断良恶性。
ALL gastric ulcers and ALL gastric masses must be biopsied, because it is not possible to tell from gross appearance alone which are benign and which are malignant.
胃溃疡应该作活检排除恶性。
However, all gastric ulcers should be biopsied to rule out a malignancy.
胃溃疡的并发症(良性或者恶性)有疼痛，出血，穿孔和梗阻。
Complications of gastric ulcers (either benign or malignant) include pain, bleeding, perforation, and obstruction.
胃镜小溃疡。所有的胃溃疡都作了活组织检查，因为仅肉眼检查不能决定是否是恶性。小的有明显分界的溃疡很可能是良性的。
All gastric ulcers are biopsied, since gross inspection alone cannot determine whether a malignancy is present. Smaller, more sharply demarcated ulcers are more likely to be benign.
胃镜小溃疡。所有的胃溃疡都作了活组织检查，因为仅肉眼检查不能决定是否是恶性。小的有明显分界的溃疡很可能是良性的。
All gastric ulcers are biopsied, since gross inspection alone cannot determine whether a malignancy is present. Smaller, more sharply demarcated ulcers are more likely to be benign.
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