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Bilateral Synchronous Sporadic Renal Cell Carcinoma: Retroperitoneoscopic Strategies and Intermediate Outcomes of 60 Patients.

ABSTRACT: OBJECTIVE:To evaluate the presentation, management, pathology, and functional and oncological outcomes of patients undergoing retroperitoneoscopic treatment of bilateral synchronous sporadic RCC at our institution. METHODS:We retrospectively evaluated the records of 60 patients with bilateral synchronous sporadic RCC who underwent retroperitoneoscopic treatment at the General Hospital of People's Liberation Army from 2008 to 2014. The estimated glomerular filtration rate was calculated and compared among different surgical procedures. The overall survival and recurrence free survival were assessed based on information from recent follow-up. RESULTS:Fifty-six patients underwent bilateral retroperitoneoscopic surgeries in staged procedures, and four patients underwent bilateral retroperitoneoscopic surgeries in simultaneous procedures. Among the former group of patients, 34 underwent bilateral partial nephrectomy, 12 underwent radical nephrectomy followed by partial nephrectomy, and 10 underwent partial nephrectomy followed by radical nephrectomy. Bilateral partial nephrectomy can better preserve renal function (p = 0.040) and the sequence of partial nephrectomy and radical nephrectomy did not affect functional outcomes (p = 0.790). One patient undergoing simultaneous procedures developed acute renal failure and required temporary hemodialysis. At 3 and 5 years, overall survival rates were 93.0% and 89.4%, and recurrence free survival rates were 90.5% and 81.6%. High nuclear grade (p = 0.014) was related to disease recurrence. CONCLUSIONS:Staged bilateral partial nephrectomy was efficient in preserving renal function. The survival of patients with bilateral synchronous sporadic renal tumors was similar to that of patients with unilateral nonmetastatic tumors. Nuclear grade was an independent prognostic factor of disease recurrence.

SUBMITTER: Wang B

PROVIDER: S-EPMC4852891 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Bilateral Synchronous Sporadic Renal Cell Carcinoma: Retroperitoneoscopic Strategies and Intermediate Outcomes of 60 Patients.

Wang Baojun B Gong Huijie H Zhang Xu X Li Hongzhao H Ma Xin X Song Erlin E Gao Jiangping J Dong Jun J

PloS one 20160502 5

<h4>Objective</h4>To evaluate the presentation, management, pathology, and functional and oncological outcomes of patients undergoing retroperitoneoscopic treatment of bilateral synchronous sporadic RCC at our institution.<h4>Methods</h4>We retrospectively evaluated the records of 60 patients with bilateral synchronous sporadic RCC who underwent retroperitoneoscopic treatment at the General Hospital of People's Liberation Army from 2008 to 2014. The estimated glomerular filtration rate was calcu ...[more]

PMID: 27136191

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Project description:BackgroundTo better understand the characteristics, and survival outcomes of synchronous renal cell carcinoma (RCC) and urothelial carcinoma (UC), we described and analyzed the clinical features, factors, and prognosis of patients with synchronous RCC and UC using a large population-based database.MethodsWithin the Surveillance, Epidemiology, and End Results (SEER) database (2004-2016), we identified patient with concurrent RCC and UC at initial diagnosis. Their clinicopathological features and prognosis were evaluated. A logistic regression model was used to examine risk factors for the occurrence of concomitant RCC and UC, and Kaplan-Meier survival curves were used to estimate overall survival.ResultsA total of 61,454 RCC patients were identified from the SEER database, 704 (1.1%) patients presented with synchronous RCC and UC. Among these patients, concurrent bladder tumors (566/704) are more common. Subsequently, subgroup analysis based on the location of UC indicated that patients with concurrent RCC and upper tract urothelial carcinoma (UTUC) had unfavorable UC characteristics (higher tumor stage and grade), compared with patients with concomitant bladder cancer. An increased risk of concurrent UC was observed among older age, male sex, and white race. Meanwhile, papillary RCC histology [odds ratio (OR) 3.23; 95% confidence interval (CI) 2.13-4.90], and smaller tumor (OR 6.63; 95% CI 4.46-9.87) were independent risk factors for concomitant UTUC. In addition, we found that synchronous RCC and UTUC was associated with worse survival by using Kaplan-Meier and multivariable analysis [hazard ratio (HR) 2.36, 95% CI 1.89-2.95]. However, concomitant bladder cancer did not affect survival outcomes of patients with RCC (HR 1.00, 95% CI 0.86-1.17).ConclusionWe found that synchronous concurrent RCC and UC is relatively uncommon and mostly located in the bladder. Older age, male sex, and white race increase the risk of synchronous RCC and UC. Meanwhile, patients with papillary RCC histology, and smaller tumors are more likely to have concomitant RCC and UTUC. Furthermore, our findings suggest that synchronous RCC and UTUC has a worse prognosis, while, concomitant bladder tumor did not affect the oncological outcomes of RCC.

Dataset Information

Bilateral Synchronous Sporadic Renal Cell Carcinoma: Retroperitoneoscopic Strategies and Intermediate Outcomes of 60 Patients.

Publications

Bilateral Synchronous Sporadic Renal Cell Carcinoma: Retroperitoneoscopic Strategies and Intermediate Outcomes of 60 Patients.

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