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01-08-2016 | Urologic Oncology

Perineural Invasion and Lymphovascular Invasion are Associated with Increased Risk of Biochemical Recurrence in Patients Undergoing Radical Prostatectomy

Authors: Minyong Kang, MD, PhD, Jong Jin Oh, MD, PhD, Sangchul Lee, MD, PhD, Sung Kyu Hong, MD, PhD, Sang Eun Lee, MD, PhD, Seok-Soo Byun, MD, PhD

Published in: Annals of Surgical Oncology | Issue 8/2016

Abstract

Purpose

This study was designed to determine whether perineural invasion (PNI) and lymphovascular invasion (LVI) are independent predictors for biochemical recurrence (BCR) of prostate cancer (PCa) following radical prostatectomy (RP) in the Asian population.

Methods

The study population comprised 2394 PCa patients undergoing RP at our institution in Korea. After excluding 360 patients, we compared the baseline characteristics between the groups according to the presence of PNI or LVI and estimated BCR-free survival using the Kaplan–Meier survival. Multivariate Cox regression model was adopted to identify significant predictive factors of BCR following RP.

Results

Among 2034 patients, PNI and LVI were detected in 69.3 and 12.4 % patients, respectively. Patients with PNI or LVI had higher rates of advanced biopsy and pathological Gleason score (≥7), and higher proportions of advanced clinical and pathological T stage ≥3, extraprostatic extension, seminal vesicle invasion, and surgical margin positivity. Notably, BCR-free survival was lower in patients with PNI or LVI compared with that in patients without these markers and lower in patients with both markers compared with that in other populations of patients. Moreover, PNI (hazard ratio [HR] = 2.11) and LVI (HR = 1.57) were significant predictors of BCR. The presence of the two markers was associated with a higher risk of BCR (HR = 4.60) compared with the presence of either marker alone (HR = 3.47).

Conclusions

PNI and LVI are adverse pathologic parameters and independent predictors for BCR, and the concurrent presence of PNI and LVI resulted in poorer outcomes for BCR in PCa patients who underwent RP.

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Title: Perineural Invasion and Lymphovascular Invasion are Associated with Increased Risk of Biochemical Recurrence in Patients Undergoing Radical Prostatectomy
Authors: Minyong Kang, MD, PhD
Jong Jin Oh, MD, PhD
Sangchul Lee, MD, PhD
Sung Kyu Hong, MD, PhD
Sang Eun Lee, MD, PhD
Seok-Soo Byun, MD, PhD
Publication date: 01-08-2016
Publisher: Springer International Publishing
Published in: Annals of Surgical Oncology / Issue 8/2016
Print ISSN: 1068-9265
Electronic ISSN: 1534-4681
DOI: https://doi.org/10.1245/s10434-016-5153-z

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Perineural Invasion and Lymphovascular Invasion are Associated with Increased Risk of Biochemical Recurrence in Patients Undergoing Radical Prostatectomy

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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