Indications for sentinel lymph node biopsy in node‐negative oral cancers

Author:

Ozawa Taijiro1,Oze Isao2,Matsuzuka Takashi3,Sasaki Eiichi4,Yokoyama Junkichi5,Sano Yoshie6,Tomifuji Masayuki7ORCID,Araki Koji7ORCID,Kogashiwa Yasunao8,Tateya Ichiro9,Agena Shinya10,Sakashita Tomohiro11,Tsuzuki Hidenori12,Terada Hoshino13,Suzuki Hidenori13ORCID,Nishikawa Daisuke13,Beppu Shintarou13,Matoba Takuma14,Mukoyama Nobuaki15,Oguri Keisuke16,Hasegawa Yasuhisa3ORCID

Affiliation:

1. Department of Otolaryngology Toyohashi Municipal Hospital Toyohashi Japan

2. Division of Cancer Epidemiology and Prevention Aichi Cancer Center Research Institute Nagoya Japan

3. Department of Head and Neck Surgery – Otolaryngology Asahi University Hospital Gifu Japan

4. Department of Pathology and Molecular Diagnostics Aichi Cancer Center Hospital Nagoya Japan

5. Department of Otolaryngology – Head and Neck Surgery Nadogaya Hospital Kashiwa Japan

6. Department of Oral and Maxillofacial Surgery Saitama Medical University Saitama Japan

7. Department of Otolaryngology – Head and Neck Surgery National Defense Medical Collage Tokorozawa Japan

8. Department of Otorhinolaryngology, Head and Neck Surgery Kamifukuoka General Hospital Saitama Japan

9. Department of Otolaryngology – Head and Neck Surgery, School of Medicine Fujita Health University Toyoake Japan

10. Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Medicine University of the Ryukyus Okinawa Japan

11. Department of Otorhinolaryngology / Head and Neck Surgery Kushiro City General Hospital Kushiro Japan

12. Department of Otorhinolaryngology Okazaki City Hospital Okazaki Japan

13. Department of Head and Neck Surgery Aichi Cancer Center Hospital Nagoya Japan

14. Department of Otolaryngology, Head and Neck Surgery Nagoya City University Graduate School of Medical Sciences Nagoya Japan

15. Department of Otorhinolaryngology Nagoya University Graduate School of Medicine Nagoya Japan

16. Department of Otorhinolaryngology Konan Kosei Hospital Konan Japan

Abstract

AbstractBackgroundWe aimed to define the indications for sentinel lymph node biopsy (SLNB), the third option for cervical treatment in oral cancer with negative cervical lymph nodes.MethodsThe greatest depth of invasion (DOI) and long diameter (LD) of the primary site were used as exposures. SLN metastasis was considered the outcome.ResultsIn three trials conducted between 2009 and 2016, 158 patients were eligible and reassigned to this study group. The scatterplot based on the respective values of DOI and LD would eventually be divided into three sections. In cases of sections T1, T2, and T3, the proportions of SLN metastasis positivity were 21.3%, 35.3%, and 51.2%, respectively. In certain cases of T1 with 2 mm < DOI ≤ 5 mm and 8 mm < LD ≤ 20 mm, the proportion of SLN metastasis positivity was 40.9%.ConclusionsSLNB‐navigated or assisted neck dissection can be added as an effective procedure for N0 neck control.

Publisher

Wiley

Subject

Otorhinolaryngology

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