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食管癌在我国恶性肿瘤死亡原因中占第4位,它的预后和患者的TNM分期密切相关,Ⅰ期食管癌患者的5年生存率为50%～80%,而Ⅲ、Ⅳ期患者的5年生存率仅有5%～15%,因此早期诊断和准确分期就成为提高患者生存率的关键因素。PET和PET/CT的应用为食管癌的诊断、分期和疗效评价提供了新的?
Esophageal cancer is the fourth leading cause of cancer death in China. Its prognosis is closely related to the TNM stage of patients. The 5-year survival rate of patients with stage I esophageal cancer is 50% -80% Annual survival rate of only 5% to 15%, so early diagnosis and accurate staging has become a key factor in improving patient survival. PET and PET / CT applications for the diagnosis of esophageal cancer, staging and efficacy evaluation provides a new?