检查 胃腺癌与幽门螺杆菌感染和慢性胃炎高度相关。[4]Chey WD, Leontiadis GI, Howden CW, Moss SF. ACG Clinical Guideline: Treatment of Helicobacter pylori Infection. Am J Gastroenterol. 2017;112(2):212-239.https://gi.org/wp-content/uploads/2017/02/ACGManagementofHpyloriGuideline2017.pdfhttp://www.ncbi.nlm.nih.gov/pubmed/28071659?tool=bestpractice.com
内镜可见胃部肿物或不规则溃疡。[31]Evans JA, Chandrasekhara V, Chathadi KV, et al. The role of endoscopy in the management of premalignant and malignant conditions of the stomach. Gastrointest Endosc. 2015;82(1):1-8.https://www.giejournal.org/article/S0016-5107(15)02277-4/fulltexthttp://www.ncbi.nlm.nih.gov/pubmed/25935705?tool=bestpractice.com
需要 5-6 次胃肿块活检以增加敏感性。[43]Lal N, Bhasin DK, Malik AK, et al. Optimal number of biopsy specimens in the diagnosis of carcinoma of the oesophagus. Gut. 1992;33:724-726.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1379324/pdf/gut00573-0010.pdfhttp://www.ncbi.nlm.nih.gov/pubmed/1624148?tool=bestpractice.com