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Perineural Invasion as a Predictive Biomarker of Groin Metastases and Survival Outcomes in Vulvar Cancer: A Meta-Analysis

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Abstract We searched international databases to identify evidence that refer to the impact of perineural invasion on survival outcomes of patients with squamous cell vulvar cancer. We identified six retrospective… Click to show full abstract

Abstract We searched international databases to identify evidence that refer to the impact of perineural invasion on survival outcomes of patients with squamous cell vulvar cancer. We identified six retrospective cohort studies that investigated 887 patients. Of those, 234 (26.4%) had perineural invasion in the pathology analysis. Women with perineural invasion were more likely to have inguinal lymph node metastases (HR 3.45, 95% CI 1.12, 10.67). The impact of perineural invasion on progression-free survival rates was significant (HR 1.61, 95% CI 1.21, 2.15) as well as its impact on overall survival rates (HR 2.73, 95% CI 1.94, 3.84).

Keywords: analysis; vulvar cancer; invasion; survival outcomes; perineural invasion

Journal Title: Cancer Investigation
Year Published: 2022

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