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Letter to the Editor| Volume 58, ISSUE 3, P376-377, April 2020

Re: Oncological benefits of postoperative radiotherapy in node-negative early stage cancer of the oral cavity with isolated perineural invasion

Published:February 26, 2020DOI:https://doi.org/10.1016/j.bjoms.2020.02.002
      We would like to congratulate Rajappa et al
      • Rajappa S.K.
      • Ram D.
      • Shukla H.
      • et al.
      Oncological benefits of postoperative radiotherapy in node-negative early stage cancer of the oral cavity with isolated perineural invasion.
      on publishing their work regarding perineural invasion in early oral cancer. We concur with their conclusions that perineural invasion is a risk factor for recurrence of oral cancer. As quoted by the authors themselves, the systematic review by Bur et al also concluded that adjuvant radiation in early oral cavity cancer in the presence of perineural invasion as the only risk factor cannot be recommended in view of considerable limitations in existing publications.
      • Bur A.M.
      • Lin A.
      • Weinstein G.S.
      Adjuvant radiotherapy for early head and neck squamous cell carcinoma with perineural invasion: a systematic review.
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      References

        • Rajappa S.K.
        • Ram D.
        • Shukla H.
        • et al.
        Oncological benefits of postoperative radiotherapy in node-negative early stage cancer of the oral cavity with isolated perineural invasion.
        Br J Oral Maxillofac Surg. 2019; 57: 454-459
        • Bur A.M.
        • Lin A.
        • Weinstein G.S.
        Adjuvant radiotherapy for early head and neck squamous cell carcinoma with perineural invasion: a systematic review.
        Head Neck. 2016; 38: E2350-E2357
        • Thiagarajan S.
        • Thavarool S.B.
        • Kadapa N.
        • et al.
        Does adverse histopathological features like perineural invasion, depth of invasion and lymphovascular invasion warrant adjuvant treatment in early oral squamous cell carcinoma?.
        J Head Neck Physicians Surg. 2017; 5: 71-74
      1. US National Library of Medicine. Adjuvant radiotherapy in early stage oral cancers (AREST). Available from URL: https://clinicaltrials.gov/ct2/show/NCT03853655. (last accessed 3 February 2020).