Lymph Nodal Recurrence in Levels IV and V in Oral Squamous Cell Carcinoma after Neck Dissection.
ANZ Journal of Surgery(2023)
摘要
BACKGROUND:The aim of the study was to determine the risk of lymph node recurrence in levels IV and V after tumour resection and neck dissection of level I-III and level I-V.METHODS:Data from 228 patients suffering from OSCC were analysed retrospectively. Patients with level I-III neck dissection were compared to those with level I-V neck dissection in terms of number and location of nodal recurrence. The incidence of level IV-V recurrence in patients who had received level I-III neck dissection was compared with that of patients who had received level I-V neck dissection. The incidence of level IV-V recurrence was also compared between patients with pN0 and pN+ necks.RESULTS:Overall, 19 patients developed metastases. Only in two cases appeared nodal recurrence in levels IV or V. There was no statistically significant difference between both groups.CONCLUSIONS:Neck dissection of levels I-III seems to be sufficient treatment in cases of unsuspicious lymph nodes in levels IV and V, even in cases of positive nodes in levels I-III if adjuvant radiation therapy is applied. However, 5-year-disease free survival rate is lower in patients with nodal metastases in levels IV and V than in patients with metastases located in levels I-III.
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关键词
oral squamous cell carcinoma,lymph node metastases,level IV-V,neck dissection
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