Diagnostic value of positron emission tomography in gastric malignancy: a preliminary study
- VernacularTitle:PET应用于胃癌病情评估的可行性研究
- Author:
Qinglong KONG
;
Lin CHEN
;
Bo WEI
- Publication Type:Journal Article
- Keywords:
stomach neoplasms;
tomography,emission-computed;
surgery;
diagnosis
- From:
Medical Journal of Chinese People's Liberation Army
2001;0(08):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the diagnostic value of positron emission tomography(PET) with the use of 18 F-fluorodeoxyglucose(FDG) in patients with gastic malignancy. Methods 18 F-FDG PET examination was performed for twenty three patients suspected to be suffering from gastric malignancy,and the results were evaluated against histopathological staging. Results The diagnostic accuracy of primary lesion by PET was 87.0%. When using a mean standard uptake value (SUVmear and SUVmax) with a cut-off of 2.5,the sensitivity was 86.2%(19/23)and 91.3%(21/23),respectively. The accuracy in identifying lymph node metastases and distant metastases by PET was 78.9%(15/19) and 7/8,respectively. Conclusion PET scanning is sensitive in the diagnosis of primary malignant lesion and metastatic lesion in patients suspected to have gastric cancer. It provides a valuable reference in the diagnostic evaluation,option of surgical strategy,and treatment in patients with gastric carcinoma.
