Incidence of nodal disease after nonsurgical therapy in head and neck squamous cell carcinoma patients with bilateral neck disease: can a bilateral neck dissection be avoided?
AMERICAN JOURNAL OF CLINICAL ONCOLOGY-CANCER CLINICAL TRIALS(2013)
Abstract
Background: We evaluated whether classifying 1 side of a patients' neck as "high-risk" would help in deciding the extent of neck dissection in patients with bilateral nodal disease. Methods: We conducted a retrospective review of 44 patients (88 heminecks) with head and neck squamous cell carcinoma who had bilateral nodal disease and received definitive chemoradiotherapy (CRT). For lateralized lesions (70%), the ipsilateral neck was designated as the "high-risk" neck. For midline lesions, pre-CRT and post-CRT computed tomography scans were used to stage each side of the neck (hemineck); the higher staged hemineck was designated as the "high-risk" neck. Results: Twenty-seven patients had died at the time of analysis. Patients had a median follow-up of 27.8 months (range, 6 to 150 mo). Two-year neck control and overall survival were 83% and 56%, respectively. Sixty-two heminecks (71%) were dissected. A total of 6/22 (27%) "low-risk" necks were positive after CRT if the "high-risk" neck was positive versus 0/22 if the "high-risk" neck was negative (P = 0.02). Conclusions: Identifying the more "high-risk" neck may be useful when deciding the extent of neck dissection after CRT. For patients with bilateral nodal disease treated with CRT, dissection of the "low-risk" hemineck may be omitted if the "high-risk" neck is pathologically negative.
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Key words
neck dissection,surgery,nodal disease,radiotherapy,squamous cell carcinoma
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