Improving Accuracy, Reliability, and Efficiency of the RENAL Nephrometry Score With 3D Reconstructed Virtual Imaging - 13/06/22
, Tatsuya Yamamoto 2, Eri Fukagawa 1, Kosuke Hamada 1, Yusuke Yoneoka 1, Motohiro Fujiwara 1, Ryo Fujiwara 1, Tomohiko Oguchi 1, Noboru Numao 1, Takeshi Yuasa 1, Shinya Yamamoto 1, Iwao Fukui 1, Junji Yonese 1Abstract |
Objective |
To clarify the diagnostic performance of the three-dimensional reconstructed virtual image (3D-RVI) in evaluating RENAL nephrometry score (RENAL-NS).
Methods |
This study included 130 patients who underwent preoperative contrast-enhanced computed tomography followed by partial nephrectomy for renal tumors suggestive of renal cell carcinoma. RENAL-NS was calculated prior to the surgery, and tumor resection was performed referring to the score. We retrospectively reviewed preoperative contrast-enhanced computed tomography images. We calculated the inter-observer variability of RENAL-NS using 3D-RVI vs two-dimensional (2D) imaging and compared the ability of RENAL-NS using 3D-RVI vs 2D imaging to predict the risk of opening of the urinary collecting system. We also compared the two modalities for the time required to evaluate RENAL-NS.
Results |
RENAL-NS evaluated using 3D-RVI showed a higher inter-observer agreement compared to 2D-imaging (rs = 0.85 vs rs = 0.65). The “nearness to sinus” score was more strongly associated with the opening of the urinary collecting system when evaluated using 3D-RVI than 2D-imaging (AUC = 0.71 vs AUC = 0.57, P = .016). RENAL-NS using 2D-imaging required a significantly longer time compared to 3D-RVI (P = .036).
Conclusion |
Using 3D-RVI improves the accuracy, reliability and efficiency of RENAL-NS evaluation in preoperative assessment and can play an important role in preoperative assessment and intraoperative navigation.
Le texte complet de cet article est disponible en PDF.Abbreviations : 2D-imaging, 3D-RVI, CT, RENAL-NS, PN, UCS
Plan
| Funding: The authors did not receive support from any organization for the submitted work. |
Vol 164
P. 286-292 - juin 2022 Retour au numéro
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