The role of comprehensive neck dissection with preservation of the spinal accessory nerve in the clinically positive neck

Peter E. Andersen, Jatin P. Shah, Efrain Cambronero, Ronald H. Spiro

Research output: Contribution to journalArticlepeer-review

95 Scopus citations


Background: The most significant prognostic factor in patients with squamous cell carcinoma of the head and neck is the presence of cervical nodal metastases. Radical neck dissection is the standard by which all cervical lymphadenectomy procedures are judged. In the presence of clinically positive nodal metastasis, the benefit of preserving the spinal accessory nerve (SAN) has to be weighed against the possible risk of increased failure in the neck. We performed this retrospective study to determine if preservation of the SAN in patients with clinically evident nodal metastases was associated with increased risk of failure in the dissected neck. Patients and Methods: Between January 1, 1984 and December 31, 1991, 378 comprehensive neck dissections were performed in 366 patients with clinically and pathologically positive nodal metastases from squamous carcinoma of the upper aerodigestive tract. We compared survival, neck control rates, and other factors in patients who had a classic radical neck dissection (RND) to those who had modified radical neck dissection sparing only the SAN (MRND I). Results: Actuarial 5-year survival and neck failure rates for the RND group were 63% and 12%, compared to 71% and 8% for the MRND I group (P = NS). Survival and neck failure were not statistically different between the MRND I and RND groups when the analysis controlled for pathologic N stage, presence of extra capsular spread, and the presence of pathologically demonstrated metastatic nodes along the course of the SAN. Nor were there significantly different patterns of neck failure with RND versus MRND. Conclusion: Modification RND to preserve an uninvolved SAN in the clinically positive neck does not adversely affect survival or neck control.

Original languageEnglish (US)
Pages (from-to)499-502
Number of pages4
JournalThe American Journal of Surgery
Issue number5
StatePublished - Nov 1994
Externally publishedYes

ASJC Scopus subject areas

  • Surgery


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