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Int J Oral Maxillofac Surg. 1988 Jun;17(3):190-3.

The significance of perineural spread in adenoid cystic carcinoma of the major and minor salivary glands.

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  • 1Department of Oral and Head and Neck Surgery, University Hospitals KUL, Belgium.

Abstract

Patient survival, local recurrence and distant metastasis were studied in relation to the pathological finding of perineural spread in 37 patients with adenoid cystic carcinoma of the major and minor salivary glands. All patients underwent a combined surgical and radiotherapeutical treatment. The overall incidence of perineural invasion in primary resection specimens was 52.6%. The 5-year actuarial survival rate for patients with perineural invasion was significantly lower (p less than 0.001) than for those without (36.9% versus 93.8%). In 26 patients with resection margins free of tumour, recurrences developed in 9/11 (81.8%) of the patients with perineural invasion as opposed to 4/15 (26.7%) of the patients without perineural invasion (p = 0.005). In the same group with resection margins free of tumour, distant metastasis developed after the primary treatment in 4/10 (40.0%) of the patients with perineural invasion, while none of the 14 patients without perineural invasion experienced distant metastasis (p less than 0.0002). The incidence of perineural invasion increased with a higher stage of the primary tumour.

PMID:
2840472
[PubMed - indexed for MEDLINE]
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