Incidence and etiological analysis of abnormal cardiac uptake in patients underwent oncologic PET/CT imaging

Zhonghua xin xue guan bing za zhi
J Y WuM F Yang

Abstract

Objective: To investigate the incidence, location and etiology of abnormal cardiac uptake in patients underwent oncologic 18F-fluorodeoxyglucose positron emission tomography/computed tomography(PET/CT) imaging. Methods: The 18F-FDG PET/CT images of 2000 consecutive patients with suspected or diagnosed malignancy in Beijing Chaoyang Hospital from January 2014 to September 2016 were retrospectively analyzed. Fasting time was more than 12 hours before imaging, and fasting blood glucose level before 18F-FDG injection was less than 6.7 mmol/L. Focal uptake in the non-basal and non-papillary regions of the left ventricle, uptake in the right ventricle exceeding uptake in the left ventricle, and uptake in the atrium higher than that of the blood pool (when uptake of left ventricle was zero or low) were defined as abnormal, and all abnormal uptake was visually determined by experienced nuclear medicine physicians. General clinical data and the results of cardiac examination were collected to explore the incidence, location and etiology of cardiac diseases. Results: There were 138 patients with history of diabetes (6.90%), 228 patients with history of cardiovascular disease (11.40%) out of the 2 000 patients ((60.5±13.2) years, 1 117 ma...Continue Reading

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