The effect of lymph node dissection on cancer-specific survival in salvage radical prostatectomy patients

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Abstract

Background: We hypothesized that lymph node dissection (LND) at salvage radical prostatectomy may be associated with lower cancer-specific mortality (CSM) and we tested this hypothesis. Methods: We relied on surveillance, epidemiology, and end results (2004–2016) to identify all salvage radical prostatectomy patients. Categorical, as well as univariate and multivariate Cox regression models tested the effect of LND (LND performed vs. not), as well as at its extent (log-transformed lymph node count) on CSM. Results: Of 427 salvage radical prostatectomy patients, 120 (28.1%) underwent LND with a median lymph node count of 6 (interquartile range [IQR], 3–11). According to LND status, no significant or clinically meaningful differences were recorded in PSA at diagnosis, stage and biopsy Gleason score at diagnosis, except for age at prostate cancer diagnosis (LND performed 63 vs. 68 years LND not performed, p

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Wenzel, M., Würnschimmel, C., Nocera, L., Collà Ruvolo, C., Tian, Z., Shariat, S. F., … Karakiewicz, P. I. (2021). The effect of lymph node dissection on cancer-specific survival in salvage radical prostatectomy patients. Prostate, 81(6), 339–346. https://doi.org/10.1002/pros.24112

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