Diagnosis and evaluation of gastric cancer by positron emission tomography

Table 2 Comparison of ¹⁸F-FLT and ¹⁸F-fluorodeoxyglucose positron emission tomography or positron emission tomography/computed tomography imaging for detection of gastric cancer

Ref.	Study purpose	Imaging modality	SUV		Sensitivity for detection of primary tumor		Sensitivity for detection of metastasis		Prognostic factor
			18F-FLT	18F-FDG	18F-FLT	18F-FDG	18F-FLT	18F-FDG
Herrmann et al[104]	Preoperative evaluation	PET	Mean: 6.0	Mean: 8.4	100%	69%
Kameyama et al[105]	Preoperative evaluation	PET	Mean: 7.0	9.4	95%	95%
Kameyama et al[103]	Preoperative evaluation	PET	Mean: 2.1-8.0		90%
Ott et al[106]	Neoadjuvant chemotherapy evaluation	PET	Before treatment: 6.1	Before treatment: 8.4					FLT uptake at 2-wk after treatment
			After treatment: 5.3	After treatment: 5.2
Zhou et al[107]	Preoperative evaluation	PET/CT	Max: 5.5	Max: 8.4	92%	95%	Liver: 30%	Liver: 100%
							Bone: 20%	Bone: 100%
							Other organs: 90%-97%	Other organs: 91%-95%

FDG: ¹⁸F-fluorodeoxyglucose; PET/CT: Positron emission tomography/computed tomography; SUV: Standardized uptake value.