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ISSN: 2161-119X

Otolaryngology: Open Access
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Case Report

Delayed Distant Metastasis of Tonsillar Squamous Cell Carcinoma Origin- A Case Report

Hermann Simo1, Louis De Las Casas2, Vasuki Anandan2, Michal Preis3 and Reginald Baugh4*
1The University of Toledo College of Medicine & Life Sciences, The University of Toledo Medical Center, Toledo, OH 43614, USA
2Department of Pathology, The University of Toledo Medical Center, The University of Toledo Medical Center, Toledo, OH 43614, USA
3Department of Otolaryngology, Maimonides Medical Center, The University of Toledo Medical Center, Toledo, OH 43614, USA
4Division of Otolaryngology, Head & Neck Surgery, Department of Surgery, University of Toledo Medical Center, The University of Toledo Medical Center Toledo, OH 43614, USA
*Corresponding Author: Reginald Baugh, Division of Otolaryngology, Department of Surgery, The University of Toledo Medical Center, States3000 Arlington Avenue, Toledo, OH 43614, USA, Tel: 419-383-6834, Email: [email protected]

Received Date: Apr 11, 2014 / Accepted Date: Apr 28, 2014 / Published Date: May 05, 2014

Citation: Simo H, Casas LDL, Anandan V, Preis M, Baugh R (2014) Delayed Distant Metastasis of Tonsillar Squamous Cell Carcinoma Origin- A Case Report. Otolaryngology 4:170DOI: 10.4172/2161-119X.1000170

Copyright: © 2014  . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 
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Abstract

Introduction: The incidence of distant metastases from head and neck Squamous Cell Carcinoma (SCC) is reportedly low; reports of distant metastases from tonsil carcinoma are rare. 85% of distant metastases of SCC in head and neck cancers usually become apparent within two years of primary diagnosis, but can take up to five years before diagnosis.

Background: Metastases from tonsillar cancers are uncommon, with less than 1% reported to go to subcutaneous tissues. Metastases are reported to occur within 1-48 months after initial treatment.

Methods and results: A case report is presented of a patient seen with an isolated temporal scalp Squamous Cell Carcinoma (SCC) lesion 8 years after treatment for a tonsillar SCC and negative annual PET scans thereafter. The comparative immunehistochemical study and in situ hybridization done between the scalp tumor and the previous tonsil tumor eight years earlier, showed similarities, thus suggesting a metastasis from the tonsil tumor.

Conclusions: A tonsillar SCC metastasis presenting as a temporal scalp lesion 8 years after primary tumor treatment and locoregional control achievement is a uniquely rare event. The case highlights the need for a method to identify and track tumor cell lineage, and the need for better understanding of cancer stem cells role in head and neck SCC.

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