Park Hyunmi, Lee Tae-Hoon, Kim Seon-Hahn
Department of Surgery Korea University Anam Hospital Seoul South Korea.
Ann Gastroenterol Surg. 2020 Apr 7;4(3):234-242. doi: 10.1002/ags3.12331. eCollection 2020 May.
Complete mesocolic excision (CME) with central vascular ligation (CVL) follows the same principles as the total mesorectal excision (TME) in the rectum of following the embryological planes for right-sided cancers. The number of lymph nodes yielded increased with a resultant improvement in the oncological outcomes and by reducing local recurrence rates. Hohenberger's radical CME and CVL and the East's modified CME with D3 lymphadenectomy, which traditionally followed the embryological plane dissection for most of its intraabdominal cancer resection, have both shown to harvest significantly higher number of lymph nodes leading to a higher overall survival rate than the traditional right hemicolectomies of the West. To achieve the oncologically superior excision of the CME, awareness of the significant vascular anatomical variation will enhance the precision of the oncosurgery as well as minimize the risk of vascular complications. There has been an increasing body of evidence emerging on the safety of minimally invasive surgery (MIS); both its oncological safety as well as complication rates in the hands of expert and trained surgeons. The surgical technique of a CME right hemicolectomy is described step by step to aid standardization. There is mounting evidence that CME + CVL/ D3 improves survival in patients with colon cancer. Whilst the technical aspect of MIS is more challenging than the left, with a standardized technique and systematic teaching method, safety and benefits for patients can be achieved.
完整结肠系膜切除术(CME)联合中央血管结扎术(CVL)与直肠全直肠系膜切除术(TME)遵循相同的原则,即在处理右侧结肠癌时遵循胚胎学层面。所获取的淋巴结数量增加,从而改善了肿瘤学结局并降低了局部复发率。霍恩伯格的根治性CME和CVL以及伊斯特改良的CME联合D3淋巴结清扫术,传统上在大多数腹内癌切除术中遵循胚胎学层面解剖,两者均显示获取的淋巴结数量显著更多,导致总体生存率高于西方传统的右半结肠切除术。为实现CME在肿瘤学上的优势切除,了解显著的血管解剖变异将提高肿瘤外科手术的精准度,并将血管并发症风险降至最低。关于微创手术(MIS)安全性的证据越来越多,包括其肿瘤学安全性以及在专家和训练有素的外科医生手中的并发症发生率。逐步描述了CME右半结肠切除术的手术技术以促进标准化。越来越多的证据表明,CME + CVL / D3可提高结肠癌患者的生存率。虽然MIS的技术方面比左侧手术更具挑战性,但通过标准化技术和系统教学方法,可以实现对患者的安全性和益处。