This project aims to comprehensively analyze the diagnostic efficacy of SUVmax, SUVean, TLG, MTV, etc. in gastric cancer through 18F-FAPI-04 PET/CT imaging combined with serum tumor markers and other methods, and construct a molecular imaging diagnostic model for gastric cancer; Next, analyze the diagnostic efficacy of 18F-FAPI-04 PET/CT and PET/MR multimodal imaging in evaluating SUVmax, PET/CT-PCI, and PET/MR-PCI for gastric cancer peritoneal metastasis, and construct a molecular imaging diagnostic model for gastric cancer peritoneal metastasis; Exploring the clinical value of 18F-FAPI-04 PET/CT and PET/MR imaging in the diagnosis and staging of gastric cancer.
Age over 18 years old;
Diagnosed as a patient with gastric cancer;
Receive FAPI PET/CT and FDG PET/CT imaging within one week;
Perform serum tumor marker testing one week before and after scanning
History of other malignant tumors;
Patients with severe infections, severe underlying diseases such as heart, kidney, and liver;
Patients with contraindications for PET-CT examination, poor physical condition, and inability to tolerate the examination;
Patients with unorganized pathology or incomplete clinical data
Gastric cancer
Cohort
Prospective
The clinical value of 18F-FAPI-04 PET/CT and PET/MR imaging in the diagnosis and staging of gastric cancer
Diagnostic testThe clinical value of 18F-FAPI-04 PET/CT and PET/MR imaging in the diagnosis and staging of gastric cancer
18F-FAPI-04 PET imaging diagnosis of gastric cancer detection rate
Exploring the feasibility of using targeted fibroblast activation protein (FAP) PET/CT imaging for gastric cancer; Compare the advantages and disadvantages of 18F-FAPI-04 and 18F-FDG in gastric cancer imaging, explore the clinical application value of 18F-FAPI-04 PET/CT in gastric cancer imaging, and construct a molecular imaging diagnostic model for gastric cancer
Detection rate of peritoneal metastasis in gastric cancer
Comparison of the diagnostic value of 18F-FAPI-04 PET/CT and PET/MR for peritoneal metastasis of gastric cancer, and construction of a molecular imaging diagnostic model for peritoneal metastasis of gastric cancer
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