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A dermoid cyst misdiagnosed as a lipoma in the auriculotemporal area
J Korean Skull Base Soc 2023;18(2):152-155
Published online October 31, 2023
© 2023 Korean Skull Base Society.

Ju Yeob Lee1, Bo Young Kim1, Jung Yeon Kim2, Young-Soo Chang1

1Department of Otorhinolaryngology-Head and Neck Surgery, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea
2Department of Pathology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea
Correspondence to: Young-Soo Chang
E-mail yschang83@gmail.com
ORCID https://orcid.org/0000-0003-4491-5088
Received June 18, 2023; Revised July 6, 2023; Accepted July 10, 2023.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
A dermoid cyst is an unusual congenital anomaly that is lined by squamous epithelium and contains skin adnexal structures, such as sebaceous glands and hair follicles. Only a few cases of dermoid cysts have been reported to occur around the auricle and several benign tumors should be considered in the differential diagnosis. In this article, the authors have experienced a 12-year-old female with the congenital painless mass at the left auriculotemporal area. The computed tomography showed a low-contrast enhancing mass similar to adipose tissue. The lesion was considered as a lipoma until we observed the skin adnexal structures when it ruptured intraoperatively. Although benign tumors are rarely involved in the auriculotemporal area, presenting without symptoms, it is recommended of complete excision to prevent the possibility of malignancy, recurrence, or infection. Thus, we report a very rare case of a dermoid cyst of the auriculotemporal area with the literature review.
Keywords : Dermoid cyst, Auriculotemporal area, Pathology, Lipoma


October 2023, 18 (2)
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