消化系统恶性肿瘤的核医学诊断同济医科大学附属协和医院（４３００２２）张永学核医学在诊断消化系统恶性肿瘤中的应用非常广泛，大致分为核素显像和体外放射分析两方面。早在７０年代，核医学显像就已用于消化系统恶性肿瘤的诊断，尤其是肝脏扫描对肝脏肿瘤的诊断曾发挥... Nuclear Medicine Diagnosis of Digestive System Malignant Tumors Union Medical College Affiliated Hospital of Tongji Medical University (430022) Zhang Yongxue Nuclear medicine is widely used in the diagnosis of malignant tumors of the digestive system. It is broadly divided into two categories: radionuclide imaging and in vitro radiological analysis. As early as the 1970s, nuclear medicine imaging has been used for the diagnosis of malignant tumors of the digestive system, especially liver scanning has played a role in the diagnosis of liver tumors...