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Occult parotid involvement in early-stage squamous cell carcinoma of the external auditory canal

Authors
 Jae Won Chang  ;  Seulgi Lee  ;  Jeon Mi Lee  ;  In Seok Moon  ;  Young-Sang Cho  ;  Yang-Sun Cho  ;  Jin Woong Choi 
Citation
 HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK, Vol.43(9) : 2655-2662, 2021-09 
Journal Title
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK
ISSN
 1043-3074 
Issue Date
2021-09
MeSH
Carcinoma, Squamous Cell* / pathology ; Carcinoma, Squamous Cell* / surgery ; Ear Canal / pathology ; Ear Canal / surgery ; Ear Neoplasms* / pathology ; Ear Neoplasms* / surgery ; Humans ; Neoplasm Staging ; Parotid Gland / pathology ; Parotid Gland / surgery ; Retrospective Studies
Keywords
early-stage external auditory canal cancer ; occult metastasis ; parotid gland ; parotidectomy ; squamous cell carcinoma
Abstract
Background: The importance of elective parotidectomy in early-stage squamous cell carcinoma (SCC) of the external auditory canal (EAC) is not well established. Methods: A retrospective study of 43 patients with early-stage SCC of the EAC who underwent parotidectomy in conjunction with lateral temporal bone resection at three centers. Results: Overall occult parotid involvement (OPI) rate in early-stage SCC of the EAC was 13.9% (6/43). When considering both the anteroposterior position and the bony-cartilaginous position, patients with SCC in both the anterior wall and cartilaginous portion exhibited significantly higher OPI than other locations (37.5% vs. 0%, p = 0.001), with an increase in the OPI predictive value. Conclusion: SCC located in either the anterior wall of the EAC or the cartilaginous portion of the EAC or both simultaneously showed a high prevalence of OPI, and elective parotidectomy should be considered in those patients.
Full Text
https://onlinelibrary.wiley.com/doi/10.1002/hed.26729
DOI
10.1002/hed.26729
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Moon, In Seok(문인석) ORCID logo https://orcid.org/0000-0002-3951-5074
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/185103
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