Perineural Invasion in Squamous Cell Carcinoma of the Oral Cavity: Histology, Tumor Stage, and Outcome

Objectives/Hypothesis To analyze the impact of different types of perineural invasion (PNI) in squamous cell carcinoma (SCC) of the oral cavity on overall survival and recurrence rate, with a special focus on histologic subtypes and tumor stage. Study Design Retrospective case-control study with clinicopathological analysis. Methods Seventeen patients who received primary surgical treatment for SCC of the oral cavity with PNI were matched to a...