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胃癌是我国最常见的恶性肿瘤之一,严重威胁着人群的健康。以手术为主的综合治疗虽然取得了一定疗效,但术后疗效监测以及复发的评估仍是目前面临的难题。虽然借助肿瘤标记物的检测、CT、MRI等手段取得了一些进展,但总体来看仍存在灵敏性、特异性差,定位不准确的缺点。正电子发射
Gastric cancer is one of the most common malignant tumors in our country, which seriously threatens the health of the population. Although surgery-based comprehensive treatment has achieved a certain effect, the monitoring of postoperative efficacy and the assessment of recurrence are still the problems currently facing. Although some progress has been made with the help of the detection of tumor markers, CT and MRI, there are still some shortcomings such as sensitivity, poor specificity and inaccurate positioning as a whole. Positron emission