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首页> 外文期刊>Surgical Endoscopy >Intraoperative localization of early-stage upper gastrointestinal tumors using a magnetic marking clip-detecting system.
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Intraoperative localization of early-stage upper gastrointestinal tumors using a magnetic marking clip-detecting system.

机译：使用磁性标记夹检测系统对早期上消化道肿瘤进行术中定位。

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BACKGROUND: Intraoperative tumor localization often is difficult during laparoscopic surgery for early-stage upper gastrointestinal tumors. METHOD: This study enrolled 15 patients undergoing laparoscopic gastrectomy. A magnetic marking clip-detecting system was used to apply a marking clip to the tumor site during preoperative gastroscopy, and to detect a marking magnetic body. RESULTS: In a basic ex vivo study, the mean permeance rate on the gastric wall serosal surface was 0.97 +/- 0.01. Magnetic flux densities required for exploration were 52.6 mT on the gastric wall serosal surface and 312.4 mT 10 mm away from the surface. In a clinical study, the mean distance between the detected tumor site and the clip along the longitudinal axis was 8.3 +/- 3.2 mm. The mean detection time was 5.7 +/- 2.3 min. CONCLUSION: The magnetic marking clip-detecting system may be useful for tumor site detection during laparoscopic gastrectomy.
机译：背景：对于早期上消化道肿瘤，在腹腔镜手术期间通常难以进行术中肿瘤定位。方法：本研究招募了15例行腹腔镜胃切除术的患者。磁性标记夹检测系统用于在术前胃镜检查期间将标记夹施加到肿瘤部位，并检测标记磁性体。结果：在一项基本的体外研究中，胃壁浆膜表面的平均渗透率为0.97 +/- 0.01。探查所需的磁通密度在胃壁浆膜表面为52.6 mT，在距表面10 mm处为312.4 mT。在临床研究中，沿着纵轴，检测到的肿瘤部位与夹子之间的平均距离为8.3 +/- 3.2毫米。平均检测时间为5.7 +/- 2.3分钟。结论：磁性标记夹检测系统可用于腹腔镜胃切除术中的肿瘤部位检测。

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