Σφακιανάκης Αλέξανδρος
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Τρίτη 16 Φεβρουαρίου 2016

Merkel cell carcinoma of the head and neck: poorer prognosis than non-head and neck sites.

Merkel cell carcinoma of the head and neck: poorer prognosis than non-head and neck sites.

J Laryngol Otol. 2016 Feb 15;:1-5

Authors: Morand GB, Madana J, Da Silva SD, Hier MP, Mlynarek AM, Black MJ

Abstract
BACKGROUND: Merkel cell carcinoma is a rare, aggressive neurocutaneous malignancy. This study investigated whether patients with Merkel cell carcinoma in the head and neck had poorer outcomes than patients with Merkel cell carcinoma located elsewhere.
METHODS: A retrospective study was performed of patients with Merkel cell carcinoma treated at the Jewish General Hospital in Montréal, Canada, from 1993 to 2013. Associations between clinicopathological characteristics and disease-free and disease-specific survival rates were examined according to the Kaplan-Meier method.
RESULTS: Twenty-seven patients were identified. Although basic clinicopathological characteristics and treatments were similar between head and neck and non-head and neck Merkel cell carcinoma groups, disease-free and disease-specific survival rates were significantly lower in the head and neck Merkel cell carcinoma group (log-rank test; p = 0.043 and p = 0.001, respectively). Mortality was mainly due to distant metastasis.
CONCLUSION: Patients with head and neck Merkel cell carcinoma had poorer survival rates than patients with non-head and neck Merkel cell carcinoma in our study. The tendency to obtain close margins, a less predictable metastatic pattern, and/or intrinsic tumour factors related to the head and neck may explain this discrepancy.

PMID: 26875509 [PubMed - as supplied by publisher]



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