Retrospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jun 7, 2014; 20(21): 6608-6614
Published online Jun 7, 2014. doi: 10.3748/wjg.v20.i21.6608
Figure 1
Figure 1 Positron emission tomography/computerized tomography and computerized tomography images of a 60-year-old man with rising carcinoembryonic antigen level of 32. 3 ng/mL who had undergone rectal cancer resection and chemoradiotherapy 3 years ago. 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) image showed a FDG-avid metastasis lesion, which is not typical in computerized tomography (CT) image. A: CT; B: 18F-FDG PET/CT.
Figure 2
Figure 2 A 38-year-old woman revealed normal carcinoembryonic antigen level of 2. 8 ng/mL who underwent rectal cancer resection 22 mo ago. 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) image displayed a lymph node but computerized tomography (CT) did not show it clearly. A: CT; B: 18F -FDG PET/CT.