Journal of Shandong University (Health Sciences) ›› 2020, Vol. 58 ›› Issue (9): 52-57.doi: 10.6040/j.issn.1671-7554.0.2020.0703

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Application of CT three-dimensional reconstruction modified R.E.N.A.L. score in 50 cases of laparoscopic partial nephrectomy

GAO Pei1, MAO Changlin1, CHEN Feng1, HE Wei2, GUAN Yong2,LYU Jiaju1,2, LI Shanjun2, DING Sentai1,2   

  1. 1. Department of Urology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250021, Shandong, China;
    2. Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, Shandong, China
  • Online:2020-09-10 Published:2020-08-30

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Abstract: Objective To explore the application value of the modified R.E.N.A.L.(radius, exophytic/endophytic, nearness, anterior/posterior, location)scoring system based on CT three-dimensional(3D)reconstruction technology in laparoscopic partial nephrectomy(LPN)for renal cell carcinoma(RCC). Methods A total of 50 patients undergoing LPN for stage T1 RCC in the Department of Urology of Shandong Provincial Hospital during Sep. 2018 and Nov. 2019 were enrolled. CT 3D reconstruction was performed in all patients before surgery, who were evaluated with the conventional R.E.N.A.L. score and modified R.E.N.A.L. score, respectively. The results were compared with the actual surgery. The correlation between the modified R.E.N.A.L. score and operation time, hospitalization days, intraoperative warm ischemia time(WIT), postoperative hemoglobin reduction, serum creatinine and blood urea nitrogen was analyzed with Spearman’s rank correlation analysis. Results There was a significant positive correlation between the modified R.E.N.A.L score and operation time, WIT, and hemoglobin reduction(rs=0.570, 0.802, 0.903, P<0.001). The specificity, sensitivity and Yoden index of the modified R.E.N.A.L. score were significantly better than those of the conventional R.E.N.A.L. score. Conclusion The CT 3D reconstruction modified R.E.N.A.L. scoring system is more accurate than conventional R.E.N.A.L. scoring system in evaluating the surgical difficulty, and it can predict the perioperative indicators.

Key words: CT three-dimensional reconstruction, R.E.N.A.L. score, CT three-dimensional reconstruction modified R.E.N.A.L. score, Tumor diameter ratio, Laparoscopic partial nephrectomy

CLC Number: 

  • R737.11
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