This study was funded by the Natural Science Foundation of Hunan Province ( 2020JJ4542 ; 2019JJ40269 ), the Clinical Research Project of University of South China ( USCKF201902K01 ) and the Hunan Provincial Clinical Medical Technology Innovation Guiding Project ( 2020SK51801 ).
机构署名：
本校为第一且通讯机构
院系归属：
公共卫生学院
摘要：
Objective: To explore the diagnostic value of noncontrast computed tomography (NCCT) in differentiating pyonephrosis from nonpyogenic hydronephrosis on the basis of CT values (in Horsfield unit [HU]). Methods: Data from patients diagnosed with obstructive uropathy at the First affiliated hospital of University of South China from November 2017 to January 2021 were subjected to retrospective analysis. In accordance with the gold standard—the presence of pus during the operation—all patients were divided into the nonpyogenic hydronephrosis grou...
