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棕色脂肪组织(BAT)在肥胖及代谢性疾病中具有重要作用，BAT研究也受到越来越多的重视。n 18F-脱氧葡萄糖(FDG) PET/CT具有无创、灵敏的优点，能够在体、精准评估激活后BAT的分布、体积和活性，为临床预防、治疗肥胖和糖尿病提供了新思路。该文综述了BAT激活方法、n 18F-FDG PET/CT检查前患者准备、显像方法和临床应用进展。n “,”Nowadays, more attentions have been paid on brown adipose tissue (BAT) because BAT plays a great role in individuals with obesity and metabolic diseases. n 18F-fluorodeoxyglucose (FDG) PET/CT is noninvasive and sensitive to detect the location, volume, and metabolic activity of BAT. n 18F-FDG PET/CT for BAT provides new insight for the prevention and clinical management of obesity and diabetes. The review summarizes the methods to activate BAT, the preparation of patients, n 18F-FDG PET/CT imaging techniques and clinical application.n