Sentinel node biopsy in 105 high-risk cutaneous SCCs of the head and neck: results of a multicenter prospective study

Craig P. Mooney*, Richard C.W. Martin, Richard Dirven, Bruce G. Ashford, Kerwin Shannon, Carsten E. Palme, Quan Ngo, James Wykes, Sarah Davies, Kan Gao, Sydney Ch’ng, Tsu-Hui Low, Ruta Gupta, Jonathan R. Clark

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Background: Regional nodal metastases from cutaneous squamous cell carcinoma (cSCC) is strongly associated with a poor prognosis, but these metastases are difficult to predict clinically. Sentinel node biopsy (SNB) has been used for a wide range of malignancies to assess for regional nodal metastasis, but is not widely used for cSCC. Methods: Patients presenting with high-risk cSCC of the head and neck with clinically N0 necks were offered SNB at the time of primary cSCC excision or secondary wide local excision. Patients with positive sentinel nodes were offered completion lymph node dissection, and all the patients were followed up at regular intervals for up to 5 years. Results: In this study, 105 lesions underwent SNB, and 10 sentinel nodes (9.5%) were positive. In an additional five patients, regional recurrence developed after a negative sentinel node, with a total subclinical nodal metastasis rate of 14.3%. Nodal metastases were significantly associated with reduced disease-specific survival. The significant predictors of metastasis were four or more high-risk features or tumors with a concurrent invasion deeper than 5 mm and PNI. Conclusion: For high-risk cSCC, SNB is a safe and feasible staging technique. The total number of high risk features and certain combinations of high-risk features predicted metastasis better than individual high-risk features.

Original languageEnglish
Pages (from-to)4481-4488
Number of pages8
JournalAnnals of Surgical Oncology
Volume26
Issue number13
DOIs
Publication statusPublished - 1 Dec 2019
Externally publishedYes

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