Is a bilateral modified radical neck dissection beneficial for patients with papillary thyroid cancer?
PURPOSE: We previously reported a poor prognosis in papillary thyroid carcinoma patients with recurrence in the contralateral cervical lymph nodes after thyroidectomy and ipsilateral modified radical neck dissection (MRND) with a curative intent. The aim of this study was to investigate whether bilateral MRND improved prognosis in patients at risk for contralateral nodal recurrence. METHODS: We retrospectively reviewed the cases of 86 patients with contralateral nodal metastasis who underwent a thyroidectomy with bilateral MRND (group 1) and the cases of 32 patients who suffered contralateral nodal recurrence after a thyroidectomy with ipsilateral MRND (group 2). RESULTS: Although tumor progression was considered similar in patients from groups 1 and 2, group 1 developed fewer distant metastases than group 2 (6.8% vs 31.1%), thus resulting in a lower cancer death rate (5.8% vs 28.1%). Group 1 had a better 10-year survival rate than of group 2 (97.1% vs 83.7%). CONCLUSION: Bilateral MRN
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