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自膨胀金属支架对梗阻性左侧结直肠癌淋巴结转移的影响:颠覆传统 ...
近年来,自膨胀金属支架(Self-expandable Metallic Stent,SEMS)逐渐应用于梗阻性 CRC 的治疗。然而,它却存在一些争议。一方面,SEMS 置入可能会增加肿瘤穿孔的风险,进而导致肿瘤细胞在腹腔内播散、通过淋巴管扩散、侵犯神经周围组织以及进入外周血液系统。另一方面,已有研究表明,接受过 SEMS 治疗的左侧 CRC 患者,总体生存率较低,5 ...
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