A Case of Merkel Cell Carcinoma of the External Auditory Canal Skin with Annulus and Tympanic Membrane
10.3342/kjorl-hns.2020.00696
- Author:
Ara CHO
1
;
Mi JANG
;
In Seok MOON
;
Seung Ho SHIN
Author Information
1. Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
- Publication Type:Case Report
- From:Korean Journal of Otolaryngology - Head and Neck Surgery
2021;64(7):500-504
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
Merkel cell carcinoma is an extremely rare neuroendocrine neoplasm of the external auditory canal (EAC) skin, which requires wide excision and adjuvant radiation due to a high recurrence rate. In this report, we describe a case of Merkel cell carcinoma arising from the EAC which was successfully treated with endoscopic excision. A 32-years-old female patient with a history of papillary thyroid cancer was diagnosed with an EAC tumor incidentally. There was a erythematous papular lesion on the posterior EAC without any evidence of locoregional metastasis. The patient underwent endoscopic tumor resection under general anesthesia, and the final pathologic report confirmed the diagnosis of Merkel cell carcinoma. There was no clinical or radiographic evidence of recurrence or metastasis of Merkel cell tumor for 41 months after surgical resection alone.
