Controlling Advanced Neck Disease: Efficacy of Neck Dissection and Radiotherapy

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Abstract
Objective Neck dissection remains the standard method of treating cervical metastasis from head and neck squamous cell carcinoma. In light of recent trends to modify the classic radical neck dissection (RND) for early neck disease, we reviewed our experience with radical and modified RND (MRND) plus radiotherapy as treatment for N2/N3 neck disease in head and neck squamous cell carcinoma.Methods We retrospectively reviewed our clinical records from July 1989 to June 1996 to identify 43 neck dissections in 39 patients who were found to have pathologically N2 or N3 neck disease treated primarily by neck dissection and postoperative radiotherapy. All patients had head and neck squamous cell carcinoma with a minimum follow‐up of 24 months.Results Nine percent (4/43) of the dissected necks were pathologically N2a, 72% (31/43) were N2b, 7% (3/43) were N2c, and 12% (5/43) were N3. Of these, 28% (12/43) underwent a RND and 72% (31/43) underwent a MRND. The most common modification of RND was preservation of the spinal accessory nerve. All patients underwent postoperative radiotherapy with a mean dose of 55 Gy. Only 4 of 43 dissected necks had isolated treatment failure, for a regional control rate of 91%.Conclusions The combination of RND or MRND and radiotherapy is highly effective in controlling neck disease in the absence of persistent or recurrent local disease. Also, in our e‐perience, MRND appears to be as effective as RND in controlling even advanced neck disease, which supports preservation of the spinal accessory nerve whenever oncologically feasible.

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