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目的:探讨对胃黏膜下病变进行超声内镜检查前对病变部位标记的应用价值。方法:收集2009年1月—2014年9月接受超声内镜检查的胃黏膜下小病变(估测病变直径<1.0 cm)患者的临床资料,根据注水前是否进行活检钳夹持标记进行分组,对比两组间超声内镜检查的病变检出率和操作时间。结果:首次超声内镜检查对病灶的发现率:术前标记组97.0%(5/169),未标记组91.5%(14/165),两者存在差异(χ2=4.75,P=0.029);超声检查操作时间:术前标记组(5.3±2.9)min,未标记组(7.6±3.7)min,组间差异显著(t=-6.07,P<0.001),术前标记组在病灶发现率和操作时间上均优于未标记组。结论:对于胃黏膜下小病变,超声内镜检查前进行定位标记有助于提高病灶发现率和减少操作时间。
Objective: To investigate the value of lesion site marking before gastric mucosal lesion under ultrasound endoscopy. Methods: The clinical data of patients with small gastric submucosal lesions under ultrasound endoscopy (estimated pathological diameter <1.0 cm) from January 2009 to September 2014 were collected and grouped according to whether the biopsy forceps clamp marks were used before water injection. Compare the detection rate of the lesions and the operation time between the two groups by ultrasound endoscopy. Results: The detection rates of the first ultrasound endoscopy were 97.0% (5/169) in preoperative group and 91.5% (14/165) in unlabeled group (χ2 = 4.75, P = 0.029). The time of sonographic examination was (5.3 ± 2.9) min in preoperative labeling group and 7.6 ± 3.7 min in unlabeled group (t = -6.07, P <0.001) Operation time are better than unlabeled group. CONCLUSIONS: For gastric sub-parietal lesions, location markers prior to endoscopic ultrasonography may improve the detection rate and reduce the duration of the operation.