4.3 Article

Surgical Management and Oncologic Outcomes for Local Retroperitoneal Recurrence of Renal Cell Carcinoma After Radical Nephrectomy

Journal

CLINICAL GENITOURINARY CANCER
Volume 21, Issue 2, Pages -

Publisher

CIG MEDIA GROUP, LP
DOI: 10.1016/j.clgc.2022.10.010

Keywords

Local recurrence; Outcome; Targeted therapy; Radical nephrectomy; Renal cell carcinoma; Surgery

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Patients who underwent RPR surgery had significantly longer CSS than those who received targeted therapy alone.
Local retroperitoneal recurrence (RPR) after radical nephrectomy (RN) is rare in patients with renal cell carci-noma (RCC); however, it is associated with poor prognosis and lacks standard treatment. This study compared the oncological outcomes of patients with RPR treated with RPR surgery or targeted therapy alone and assessed the prognostic factors of these patients, showing that treatment with RPR surgery resulted in signif-icantly longer CSS than targeted therapy alone. Introduction : Local retroperitoneal recurrence (RPR) after racial nephrectomy (RN) of renal cell carcinoma (RCC) remains a therapeutic challenge and has a poor prognosis. We aimed to compare the oncological outcomes of patients with RPR treated with RPR surgery or targeted therapy alone and assess the prognostic factors of these patients. Patients and Methods : This is a retrospective multi-center study of patients with RPR after prior RN treated with or without surgical treatment from 2008 to 2020. RPR of RCC is defined as an ipsilateral recurrence confined to the renal fossa, adrenal gland or retroperitoneal lymph nodes after prior nephrectomy, which was diagnosed by cross-sectional imaging. Clinical and pathological features, perioperative complications were reported using descrip-tive statistics. Cancer-specific survival (CSS) was evaluated by Kaplan-Meier method and studied using Cox propor-tional hazards model. Results : Median follow-up period was 35 months (IQR 20-61) for the RPR surgery group and 23 months (IQR 9-40.5) for the targeted therapy group. No patients had distant metastatic disease at the time of RPR diagnosis. Treatment with RPR surgery resulted in significantly longer CSS than targeted therapy alone ( P < .001). In multivariable analysis, high Fuhrman grade, size of RPR tumor, mixed type of RPR, multiple recurrence lesions and the absence of RPR surgery were associated with a significantly increased risk of death from RCC. Conclusion : Aggressive surgical resection of RPR after RN represents a potentially curative treatment for selected RCC patients without synchronous metastases, resulting in significantly longer CSS than targeted therapy alone.

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