Αρχειοθήκη ιστολογίου

Κυριακή 20 Μαρτίου 2022

Indications and outcomes for elective dissection of level V in primary parotid cancer

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Abstract

Background

The extent of cervical lymphadenectomy required for primary parotid cancer is not well-established.

Methods

In this retrospective case–control study, 84 patients who underwent primary parotidectomy and neck dissection for primary parotid cancer between 2010 and 2019 were identified and analyzed.

Results

Of the 84 patients, 37 underwent elective level V neck dissection. All six (16.0%) who had occult level V nodes had clinically evident, preoperative anterior cervical metastases, a statistically significant finding. No other clinical factors are correlated with posterior neck involvement. There was no significant difference in disease-free or overall survival for patients with occult level V disease relative to positive lymph nodes in other levels.

Conclusions

Patients with clinically evident anterolateral cervical lymphatic metastases from parotid cancer preoperatively have high rates of occult level V nodes. Level V neck dissection can be avoided in cN0 patients and offered no survival advantage.

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