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- W2362783990 abstract "Purpose: To analyze the time-density curves(TDC) of solitary pulmonary nodules(SPNs),and evaluate the role of TDC in the differential diagnosis of SPNs.Materials and Methods: 71 patients(mean age 55.5,26 females) with solitary pulmonary nodules underwent CT perfusion imaging after intravenous injection of 40 mL of contrast medium.Then the TDC was created.Results: The TDC showed 3 types in malignant nodules.Type I: the curve ascended suddenly,after reaching the peak value,it descended slowly,the end of the curve was higher than the level before enhancement;type II: the curve ascended and descended suddenly,when descended to a degree,it kept on a level to the end;type III: the curve ascended suddenly,but nearly no descending,kept on a higher level or ascended slowly.The TDC showed 4 types in benign nodules.Type I: the curve ascended and descended slowly,the whole curve was flat;type II: the curve ascended slowly but highly,descended obviously;type III is similar to type II of malignant nodules;type IV is similar to type III of malignant nodules.Conclusion: The TDC is distinctive in benign and malignant nodules,and plays a important role in the defferential diagnosis of SPNs." @default.
- W2362783990 created "2016-06-24" @default.
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- W2362783990 date "2009-01-01" @default.
- W2362783990 modified "2023-09-27" @default.
- W2362783990 title "The Analysis of the Time-density Curves of Solitary Pulmonary Nodules" @default.
- W2362783990 hasPublicationYear "2009" @default.
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