The mean Hounsfield unit range acquired from different slices produces superior predictive accuracy for pyonephrosis in obstructive uropathy
| Autor: | Baoxing Huang, Guoliang Lu, Yang Zhao, Weichao Tu, Yuan Shao, Dawei Wang, Danfeng Xu |
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| Jazyk: | angličtina |
| Rok vydání: | 2024 |
| Předmět: | |
| Zdroj: | Investigative and Clinical Urology, Vol 65, Iss 3, Pp 286-292 (2024) |
| Druh dokumentu: | article |
| ISSN: | 2466-0493 2466-054X |
| DOI: | 10.4111/icu.20230240 |
| Popis: | "Purpose: To determine the non-contrast computer tomography imaging features of pyonephrosis and evaluate the predictive value of Hounsfield units (HUs) in different hydronephrotic region slices. Materials and Methods: We retrospectively reviewed data from patients with hydronephrosis who had renal-ureteral calculi. All patients were categorized into pyonephrosis and simple hydronephrosis groups. Baseline characteristics, the mean HU values in the maximal hydronephrotic region (uHU) slice, and the range of uHU in different slices (ΔuHU) were compared between the two groups. Univariate and multivariate analyses were performed to identify risk factors for pyonephrosis. Results: Among the 181 patients enrolled in the current study, 71 patients (39.2%) were diagnosed with pyonephrosis. The mean dilated pelvis surface areas were comparable between patients with pyonephrosis and simple hydronephrosis (822.61 mm2 vs. 877.23 mm2, p=0.722). Collecting system debris (p=0.022), a higher uHU (p=0.038), and a higher ΔuHU (p |
| Databáze: | Directory of Open Access Journals |
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