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

Jae Won Chang; Seulgi Lee; Jeon Mi Lee; In Seok Moon; Young Sang Cho; Yang Sun Cho; Jin Woong Choi

doi:10.1002/hed.26729

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

Jae Won Chang, Seulgi Lee, Jeon Mi Lee, In Seok Moon, Young Sang Cho, Yang Sun Cho, Jin Woong Choi

Department of Otorhinolaryngology

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

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.

Original language	English
Pages (from-to)	2655-2662
Number of pages	8
Journal	Head and Neck
Volume	43
Issue number	9
DOIs	https://doi.org/10.1002/hed.26729
Publication status	Published - 2021 Sept

Bibliographical note

Funding Information:
This research was funded by the research fund of Chungnam National University, Chungnam National University Hospital Research Fund (grant number 2018‐CF‐031), National Research Foundation of Korea (NRF) funded by the Korean government (MEST) (grant number 2016R1D1A1B04932112). The authors would like to thank Editage ( www.editage.co.kr ) for English language editing.

Funding Information:
National Research Foundation of Korea, Grant/Award Number: 2016R1D1A1B04932112; Chungnam National University Hospital Research Fund, Grant/Award Number: 2018‐CF‐031

Publisher Copyright:
© 2021 Wiley Periodicals LLC.

All Science Journal Classification (ASJC) codes

Otorhinolaryngology

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10.1002/hed.26729

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title = "Occult parotid involvement in early-stage squamous cell carcinoma of the external auditory canal",

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.",

author = "Chang, {Jae Won} and Seulgi Lee and Lee, {Jeon Mi} and Moon, {In Seok} and Cho, {Young Sang} and Cho, {Yang Sun} and Choi, {Jin Woong}",

note = "Funding Information: This research was funded by the research fund of Chungnam National University, Chungnam National University Hospital Research Fund (grant number 2018‐CF‐031), National Research Foundation of Korea (NRF) funded by the Korean government (MEST) (grant number 2016R1D1A1B04932112). The authors would like to thank Editage ( www.editage.co.kr ) for English language editing. Funding Information: National Research Foundation of Korea, Grant/Award Number: 2016R1D1A1B04932112; Chungnam National University Hospital Research Fund, Grant/Award Number: 2018‐CF‐031 Publisher Copyright: {\textcopyright} 2021 Wiley Periodicals LLC.",

year = "2021",

month = sep,

doi = "10.1002/hed.26729",

language = "English",

volume = "43",

pages = "2655--2662",

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AU - Lee, Seulgi

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AU - Moon, In Seok

AU - Cho, Young Sang

AU - Cho, Yang Sun

AU - Choi, Jin Woong

N1 - Funding Information: This research was funded by the research fund of Chungnam National University, Chungnam National University Hospital Research Fund (grant number 2018‐CF‐031), National Research Foundation of Korea (NRF) funded by the Korean government (MEST) (grant number 2016R1D1A1B04932112). The authors would like to thank Editage ( www.editage.co.kr ) for English language editing. Funding Information: National Research Foundation of Korea, Grant/Award Number: 2016R1D1A1B04932112; Chungnam National University Hospital Research Fund, Grant/Award Number: 2018‐CF‐031 Publisher Copyright: © 2021 Wiley Periodicals LLC.

PY - 2021/9

Y1 - 2021/9

N2 - 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.

AB - 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.

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

Abstract

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