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Is routine neck dissection warranted at salvage laryngectomy?
S Sharma1, D A Chaukar2, M Bal3
1Department of Head Neck Surgical Oncology, Narayana Superspeciality Hospital, Gurugram, India.
Background:
There is controversy regarding management of the neck at salvage laryngectomy. The aim of this study was to perform an analysis to determine the incidence of occult node positivity in this group and analyse factors affecting it.
Method:
A retrospective analysis of 171 patients who underwent salvage total laryngectomy between 2000 and 2015 for recurrent or residual disease following definitive non-surgical treatment and were clinico-radiologically node negative at the time salvage laryngectomy was carried out.
Results:
A total of 171 patients with laryngeal or hypopharyngeal cancers underwent concurrent neck dissection at laryngectomy. There were 162 patients (94.7 per cent) who underwent bilateral neck dissection, and 9 patients (5.3 per cent) who underwent ipsilateral neck dissection. The occult lateral nodal metastasis rate was 10.5 per cent. Of various factors, initial node positive disease was the only factor predicting occult metastasis on univariable and multivariable analysis (p = 0.001).
Conclusion:
Risk of occult metastasis is high in patients who have node positive disease before starting radiotherapy. This group should be offered elective neck dissection.
