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1材料和方法1.1材料患者11例,男7例,女4例,平均年龄35.5(24～68)岁,其中,经内镜发现胃内隆起曾误诊为平滑肌瘤,超声内镜示为胃壁外肿大淋巴结压迫2例;CT 发现纵膈不明原因肿大淋巴结5例;腹部超声发现上腹部肿大淋巴结,内镜发现胃粘膜局限性糜烂或小隆起,经多次病理检查未能证实为恶性病变4例.全部患者在超声内镜检查时测量淋巴结大小,平均10.6(6～23)mm.所有患者体格检查未发现浅表肿大淋巴结,均除外凝血障碍性疾病,术前2 wk 禁用非甾体抗炎药物及其他抗凝血药物.超声内镜采用 Pentax EG-3630UA,探头频率
1 Materials and Methods 1.1 Materials 11 patients, 7 males and 4 females, mean age 35.5 (24 to 68) years, of which, the endoscopic findings of gastric uplift had misdiagnosed as leiomyoma, endoscopic ultrasound as the stomach 5 cases of enlarged lymph nodes with unexplained mediastinoscopy; 5 cases of enlarged lymph nodes with unknown reason in the mediastinum; enlarged lymph nodes of the upper abdomen were found by ultrasound in the abdomen; localized gastric mucosal erosion or small erection was found by endoscopy; failed to confirm by multiple pathological examination Malignant lesions in 4 cases.All patients in the ultrasound endoscopic examination of lymph node size, an average of 10.6 (6 ~ 23) mm.All patients were not superficial lymph nodes were found in physical examination, were excluded coagulopathy, preoperative 2 wk disabled Non-steroidal anti-inflammatory drugs and other anticoagulant drugs. Endoscopic ultrasound using Pentax EG-3630UA, probe frequency