摘要
回顾性分析南京医科大学附属淮安第一医院消化内科收治的153例行ESD的早期食管癌和高级别上皮内瘤变患者的临床资料,根据术后病理结果,分为治愈性切除组和非治愈性切除组,对可能影响非治愈性切除的相关因素进行多因素分析。
早期食管癌、病变黏膜下浸润和术中抬举征欠佳为早期食管癌和高级别上皮内瘤变行ESD后非治愈性切除的危险因素(P < 0.05)。多因素分析显示,病变为早期食管癌、存在黏膜下浸润为早期食管癌和高级别上皮内瘤变行ESD后非治愈性切除的独立危险因素(P < 0.05)。
食管癌是一种侵袭性高、致死性强的恶性肿瘤,居全球第8位,每年死亡人数超过40万,在癌症相关死亡原因中排第6位,其5年生存率为15%~25
回顾性分析2015年4月-2020年4月南京医科大学附属淮安第一医院消化科收治的153例行ESD的早期食管癌和高级别上皮内瘤变患者的临床资料,根据术后病理结果,分为治愈性切除组和非治愈性切除组。其中,治愈性切除组122例,非治愈性切除组31例。治愈性切除指:整块切除、无脉管浸润、黏膜下浸润深度 < 200 μm、水平及基底切缘均为阴性、组织学类型为高或中分化。不满足治愈性切除标准者为非治愈性切
153例接受ESD治疗的早期食管癌和高级别上皮内瘤变患者中,男98例,女55例,年龄(62.4±7.8)岁,早期食管癌39例(25.5%),高级别上皮内瘤变114例(74.5%)。早期食管癌非治愈性切除15例(38.5%),高级别上皮内瘤变非治愈性切除16例(14.0%),病变整块切除143例(93.5%),病变完全切除127例(83.0%)。
纳入标准:术前诊断为早期食管癌或高级别上皮内瘤变者;术后病理诊断为早期食管癌或高级别上皮内瘤变者;病变局限在上皮层或黏膜固有层、浸润黏膜肌层或黏膜下浅层但无淋巴结转移者(超声或胸腹部CT检查均未见异常淋巴结)。排除标准:病变浸润至黏膜下深层者;发生淋巴结转移者;内镜手术未顺利完成者。
操作均由同一内镜医生(具备5年内镜操作经验)完成,所有患者均于全身麻醉下行ESD,采用碘染色及氩气对病灶周围进行标记后,黏膜下注射使病灶抬举,再环周切开黏膜,行黏膜下病灶剥离,切除病灶,最后处理创面。切除的病变标本立即置于福尔马林中固定24 h,每隔2 mm连续垂直切片,行病理学检查。比较非治愈性切除组与治愈性切除组患者的临床资料,以寻找可能导致非治愈性切除的危险因素。
将两组患者的临床资料进行单因素分析,结果显示:非治愈性切除患者的性别、年龄、是否合并高血压及糖尿病、有无消化道肿瘤家族史、病变部位、内镜下分型和治愈性切除比较,差异无统计学意义(P >0.05);早期食管癌、病变黏膜下浸润和术中抬举征欠佳为非治愈性切除的危险因素(P < 0.05)。见
将单因素分析得到显著差异的指标(术后病理类型、有无黏膜下浸润和术中抬举征)纳入多因素分析,结果显示:早期食管癌和存在黏膜下浸润为非治愈性切除的独立危险因素。见
内镜下微创手术是早期食管癌和高级别上皮内瘤变的首选治疗方案,包括EMR和ESD,与开放手术相比,可以明显缩短住院时间、减少并发症发生,并改善患者术后生活质
早期食管癌和癌前病变行ESD的绝对适应证为食管黏膜重度异型增生,病变局限在上皮层或黏膜固有层;相对适应证为病变浸润至黏膜肌层或黏膜下浅层但无淋巴结转移;禁忌证为发现有淋巴结转移的病变,术前判断病变浸润至黏膜下深层;相对禁忌证为非抬举征阳性,虽然病变浸润至黏膜下深层,但患者不能或不愿行外科手术。本研究发现,病变存在黏膜下浸润和术中抬举征欠佳的患者易发生非治愈性切除。其中,黏膜下浸润为非治愈性切除的独立危险因素。因此,非绝对适应证的存在会增加非治愈性切除的风险,在临床工作中对于不符合ESD绝对适应证的患者,需详尽地了解病变情况,并格外注意术中操作,以避免非治愈性切除的发
综上所述,早期食管癌、病变黏膜下浸润和术中抬举征欠佳为早期食管癌和高级别上皮内瘤变行ESD后非治愈性切除的危险因素。其中,早期食管癌和存在黏膜下浸润为非治愈性切除的独立危险因素。但本研究为回顾性分析,且纳入病例数较少,仍需进一步扩大样本量来证实。
(彭薇 编辑)
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