The Laryngoscope · 2014
Is level V neck dissection necessary in primary parotid cancer?
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Lim Chwee M, Gilbert Mark, Johnson Jonas T, Kim Seungwon
Аннотация
OBJECTIVES/HYPOTHESIS: This study aims to evaluate the pattern of nodal metastasis to level V in parotid cancer and to examine the clinical value of level V neck dissection (LVND).
STUDY DESIGN: Retrospective cohort study.
METHODS: Retrospective chart review of 86 patients (47 N0 nodal metastasis [N0] neck and 39 positive nodal metastasis [N(+) ] neck) who received parotidectomy and neck dissection was performed. The prevalence of pathological nodal metastasis in level V neck was evaluated and correlated with locoregional recurrence.
RESULTS: LVND was performed in 10.6% and 28.2% of patients with clinical NO (cN0) and cN(+) neck disease, respectively. The prevalence of pathological positive nodal metastasis was 0% (cN0) and 81.8% (cN(+) ). In patients with cN0 neck, the rate of recurrence in level V was 6%.
CONCLUSION: In our patient cohort with predominantly high-grade parotid cancer, LVND was necessary in patients with cN(+) neck because there was a high likelihood for pathologically positive nodal metastasis. In patients with cN0 neck, the rate of recurrence in level V was low enough not to warrant a routine inclusion of LVND.
STUDY DESIGN: Retrospective cohort study.
METHODS: Retrospective chart review of 86 patients (47 N0 nodal metastasis [N0] neck and 39 positive nodal metastasis [N(+) ] neck) who received parotidectomy and neck dissection was performed. The prevalence of pathological nodal metastasis in level V neck was evaluated and correlated with locoregional recurrence.
RESULTS: LVND was performed in 10.6% and 28.2% of patients with clinical NO (cN0) and cN(+) neck disease, respectively. The prevalence of pathological positive nodal metastasis was 0% (cN0) and 81.8% (cN(+) ). In patients with cN0 neck, the rate of recurrence in level V was 6%.
CONCLUSION: In our patient cohort with predominantly high-grade parotid cancer, LVND was necessary in patients with cN(+) neck because there was a high likelihood for pathologically positive nodal metastasis. In patients with cN0 neck, the rate of recurrence in level V was low enough not to warrant a routine inclusion of LVND.