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UROONCOLOGY - Original Article

Oncologic Outcomes and Predictors in Patients with Stage PT3aNxM0 Renal Cell Carcinoma Following Radical Nephrectomy

Mohammad Hossein Soltani 1 , Mehdi Dadpour 2 , Masoud Goodarzi 3 , Reza Khabazian 3 , Behzad Narouie 4 , Nasrin Borumandnia 5 , Mohammad Hamidi Madani 1
1.

Associated professor, Urology and Nephrology Research Center, Shahid Labbafinejad Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2.

Fellowship of endourology and urolaparoscopy, Urology and Nephrology Research Center, Shahid Labbafinejad Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

3.

General urologist, Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

4.

Fellowship of endourology and urolaparoscopy, Zahedan University of Medical Sciences, Zahedan, Iran

5.

Biostatistician, Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Urol Res Pract 2023; 49: 25-32
DOI: 10.5152/tud.2023.22072
Keywords : Kidney cancer, outcomes, recurrence, tumor staging, survival
Read: 728 Downloads: 318 Published: 10 March 2023
Volume 49, Issue 1, January 2023
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Objective: The objective of this study is to evaluate oncologic outcomes in patients with PT3aNxM0 renal cell carcinoma following radical nephrectomy and also to investigate these outcomes in each specific subgroup of PT3a renal cell carcinoma and to determine predictive factors of recurrence, metastasis, and mortality.

Materials and methods: In this retrospective cohort study, we included 94 patients with stage PT3a renal cell carcinoma who had undergone radical nephrectomy from 2011 to 2016. All patients who had survived had at least 60 months of follow-up. Demographic and clinical data were collected; univariable and multivariable Cox proportional hazards regression analysis was performed to identify predictors of metastasis, recurrence, and cancer-related mortality.

Results: Patients’ mean age was 58.07 ± 11.17 years and 62/94 (65.9%) were male. The mean follow-up time was 48.1 ± 25.5 months. Forty-three patients (45.7%) had experienced cancer-related mortality. The mean cancer-specific survival time was 60.94 months and the mean metastasis-free and local recurrence-free survival times were 57.06 and 88.72 months, respectively. Metastasis and local recurrence had occurred in 42 (44.6%) and 4 (4.25%) patients, respectively. After performing multivariate analysis, higher nuclear Fuhrman’s grade (P < .001) and simultaneous involvement of the renal vein and perinephric fat (P < .001) were found to be predictive of cancerrelated mortality. Advanced nuclear Fuhrman’s grade was the only independent predictor of metastasis (P=.001).

Conclusion: Based on our results, advanced nuclear Fuhrman’s grade and sarcomatoid change can independently predict mortality in patients with stage PT3aNxM0 renal cell carcinoma. Close monitoring during the follow-up period is recommended in patients with the mentioned risk factors.

Cite this article as: Soltani MH, Dadpour M, Goodarzi M, et al. Oncologic outcomes and predictors in patients with stage PT3aNxM0 renal cell carcinoma following radical nephrectomy. Urol Res Pract., 2023;49(1):25-32.

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