期刊
QUARTERLY JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING
卷 65, 期 1, 页码 72-78出版社
EDIZIONI MINERVA MEDICA
DOI: 10.23736/S1824-4785.19.03137-6
关键词
Renal cell carcinoma; Lymphoma; Differential diagnosis
The study demonstrated that texture analysis of F-18-FDG PET/CT could effectively differentiate between renal cell carcinoma and renal lymphoma, providing improved diagnostic accuracy with the use of synthesized parameters.
BACKGROUND: The aim of this study is to determine the differential diagnostic value of texture parameters of PET/CT on renal cell carcinoma and renal lymphoma. METHODS: Twenty renal lymphoma and 18 renal cell carcinoma (RCC) patients were analyzed in this study. The pathological information and basic characteristics were extracted from the electronic medical record system of our hospital. We used LIFEx package to extract data from the radiomics images. Receiver operating characteristic analysis and binary logistic regression analysis was applied in determining the diagnostic accuracy of texture parameters as well as the synthetic parameter, of which the sensitivity and specificity was improved. RESULTS: There were 14 (two in Histogram, two in Grey Level Co-occurrence Matrix, five in Grey-Level Run Length Matrix, five in Grey-Level Zone Length Matrix) out of the texture parameters showing an area under the curve (AUC) >0.7 and P<0.05. Synthesized parameters of each section showed even higher differentiation ability, with AUC varying from 0.725 to 1.000. CONCLUSIONS: Texture analysis of F-18-FDG PET/CT could effectively differentiate between RCCs and renal lymphomas.
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