原发性胃恶性淋巴瘤三例误诊分析张艳丽１病例介绍例１：男，３３岁，因上腹部间歇性疼痛半个月。伴柏油样便及重度贫血，初诊以＂胃癌＂收入院。腹正中触及３ｃｍ×３ｃｍ×３ｃｍ包块，表面粗糙，质地硬。胃镜见胃体前有一不规则约３．５ｃｍ溃疡，后壁有数个０．５ｃｍ... Three cases of misdiagnosis of primary gastric malignant lymphoma Zhang Yanli 1 Case Introduction Example 1: Male, 33 years old, suffered intermittent pain in the upper abdomen for half a month. With tarry stools and severe anemia, the first diagnosis of “gastric cancer” was admitted to the hospital. The middle of the abdomen touches 3cm × 3cm × 3cm mass, rough surface, hard texture. Gastroscope see an irregular about 3.5cm ulcer before the stomach, there are several 0.5cm in the back wall...