Giancarlo Tirelli1, Rossana Bussani2, Virginia Marchiori1, Nicoletta Gardenal1, Paolo Boscolo-Rizzo3, Alberto Vito Marcuzzo4. 1. Otorhinolaryngology and Head and Neck Surgery Clinic, Azienda Sanitaria Universitaria Giuliano Isontina-ASUGI, Strada di Fiume 447, 39149, Trieste, Italy. 2. Istituto di Anatomia Patologica, Università di Trieste, Trieste, Italy. 3. Department of Medical, Surgical and Health Sciences, Section of Otolaryngology, University of Trieste, Trieste, Italy. 4. Otorhinolaryngology and Head and Neck Surgery Clinic, Azienda Sanitaria Universitaria Giuliano Isontina-ASUGI, Strada di Fiume 447, 39149, Trieste, Italy. avmarcuzzo@gmail.com.
Abstract
OBJECTIVE: To estimate the prevalence of metastasis in the perimarginal nodes (PMNs) (also known as perifacial, preglandular and retroglandual nodes) in head and neck cancer. METHODS: We recruited 136 patients affected by cancers of the oral cavity, lip, oropharynx, skin and by cáncer of unknown primary (CUP), who were candidates for level IB dissection. PMNs were identified and sent separately for histological analysis. Correlation between metastasis to the PMNs and characteristics of the primary tumour were reported. RESULTS: The incidence of metastasis was 17% from oral cancer, 50% from lip cancer and 12.5% from skin cancer. No metastases were reported for oropharynx cancer or CUP. The only factor that correlated with the incidence of metastases was origin of the tumour from the upper part of oral cavity. CONCLUSION: PMNs represent a frequent site of metastasis in oral and lip cancers. In cancer of the oropharynx, their involvement has not been not reported, while their role in skin cancers remains to be clarified.
OBJECTIVE: To estimate the prevalence of metastasis in the perimarginal nodes (PMNs) (also known as perifacial, preglandular and retroglandual nodes) in head and neck cancer. METHODS: We recruited 136 patients affected by cancers of the oral cavity, lip, oropharynx, skin and by cáncer of unknown primary (CUP), who were candidates for level IB dissection. PMNs were identified and sent separately for histological analysis. Correlation between metastasis to the PMNs and characteristics of the primary tumour were reported. RESULTS: The incidence of metastasis was 17% from oral cancer, 50% from lip cancer and 12.5% from skin cancer. No metastases were reported for oropharynx cancer or CUP. The only factor that correlated with the incidence of metastases was origin of the tumour from the upper part of oral cavity. CONCLUSION: PMNs represent a frequent site of metastasis in oral and lip cancers. In cancer of the oropharynx, their involvement has not been not reported, while their role in skin cancers remains to be clarified.
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