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Gastric stump carcinoma--a surgical and oncological challenge

机译:胃残端癌-外科和肿瘤学挑战

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Gastric stump carcinoma after gastric surgery for benign disease is now widely recognized as a distinct clinical entity. An electronic literature search was performed in the MEDLINE database to identify relevant studies concerning epidemiology, prognosis, treatment, aetiology and pathology of gastric stump carcinoma. The references reported in these studies were used to complete the literature search. It can be assumed that approximately 10 % of patients who had undergone a distal gastric resection for benign disease will develop a carcinoma in the gastric remnant about 15 to 20 years after the primary procedure. The incidence is reported to be higher in males and following Billroth II resection. The site of tumour growth is predominantly in the anastomotic area, but may occur anywhere in the stump. Enterogastric reflux, achlorhydria, bacterial overgrowth, and genetic factors appear to be the major factors involved in the aetiopathogenesis of the gastric stump cancer. Unfortunately, a significant proportion of patients presents with synchronous metastases. Clinical symptoms are mainly attributed to locally advanced tumour growth. Surgical therapy comprises total removal of the gastric remnant and the jejunal segment including modified lymphadenectomy (D2 lymphadenectomy and jejunal mesentery). Surveillance of patients with endoscopy and multiple biopsies should be initiated from the tenth postoperative year and may provide the means to diagnose tumours at an early stage.
机译:胃外科手术治疗良性疾病后的胃残端癌现已被广泛认为是一种独特的临床实体。在MEDLINE数据库中进行了电子文献检索,以鉴定有关胃残端癌的流行病学,预后,治疗,病因和病理的相关研究。这些研究中报告的参考文献用于完成文献检索。可以假设,大约有10%的因良性疾病而接受了远端胃切除术的患者将在主要手术后约15至20年后在胃残余物中发生癌变。据报道,男性和Billroth II切除术后的发病率更高。肿瘤的生长部位主要在吻合区,但可能发生在树桩的任何地方。肠胃返流,胃酸缺乏症,细菌过度生长和遗传因素似乎是胃残端癌发生的主要因素。不幸的是,很大一部分患者出现同步转移。临床症状主要归因于局部晚期肿瘤生长。手术治疗包括完全切除胃残余物和空肠段,包括改良的淋巴结清扫术(D2淋巴结清扫术和空肠系膜)。应当从术后第十年开始对内窥镜检查和多次活检进行患者监测,并可能提供早期诊断肿瘤的手段。

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