Abstract
Introduction
Nowadays, 70% of patients in Europe and the USA are affected by a p16 + , potentially HPV driven oropharyngeal squamous cell carcinoma. However, despite the improved survival rate in this group, the quality-of-life remains low in cases which neck dissection took place. In this vein, in recent years, some surgeons have considered to avoid dissection of level IIB, proposing a supra-selective non-IIb neck dissection.
Materials and methods
A retrospective, longitudinal, multicentric study was conducted, including patients with pathologically confirmed primary HPV + or HPV − OPSCC who went through surgical treatment for the primary lesion and neck dissection.
Results
141 patients were included. Among them, 99 (70.2%) were male and 42 (29.8%) were female. The mean age was 62 ± 9 years (range 36–81). The most frequent anatomical location was the tonsil in 63 (44.7%) of patients. The most common approach was the classic transoral oropharyngectomy in 51 (36.2%) patients. Immunohistochemistry for p16 was positive in 62 (44%) patients. One-hundred and five (74.5%) patients received a unilateral ND, and a 36 (25.5%) a bilateral ND. Of those, a 12.8% (18/141) of patients were level IIb LN + . According to our results, level IIb ND should be considered in patients underwent therapeutic ND with positive LN metastasis in level IIa (OR = 9.83; 95% CI 3.463–27.917) or III (OR = 6.25; 95% CI 2.158–18.143), advanced (T3/T4) oropharyngeal primary tumors (OR = 3.38; 95% CI 1.366–8.405), and patients with ENE (OR = 6.56; 95% CI 2.182–19.770), regardless of p16 status.
Conclusions
According to our results, level IIb ND should be considered in patients who underwent therapeutic ND with positive LN metastasis in level IIa or III, advanced oropharyngeal primary tumors, and patients with ENE, independently of p16 status. Prospective data are necessary to definitively ensure the safety of omitting ipsilateral or contralateral level IIb ND in cN − patients with early stage disease.
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Change history
02 December 2022
A Correction to this paper has been published: https://doi.org/10.1007/s00405-022-07767-z
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The original online version of this article was revised due to the first and last names were swapped for the following authors “Giovanni Cammaroto, Giuditta Mannelli, Gabriele Molteni, Virginia Dallari, Jerome R Lechien, Manuel Tucciarone, Tareck Ayad, Giuseppe Meccariello” and corrected in this version
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Chiesa-Estomba, C.M., Urazan, J.D., Cammaroto, G. et al. Lymph node metastasis in level IIb in oropharyngeal squamous cell carcinoma: a multicentric, longitudinal, retrospective analysis. Eur Arch Otorhinolaryngol 280, 869–876 (2023). https://doi.org/10.1007/s00405-022-07647-6
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DOI: https://doi.org/10.1007/s00405-022-07647-6