J Rhinol > Volume 25(2); 2018
Journal of Rhinology 2018;25(2):118-122.
Published online November 30, 2018.
DOI: https://doi.org/10.18787/jr.2018.25.2.118   
A Case of Epithelioid Hemangioendothelioma on the Choana
Jung Heob Sohn, Kyoung Rai Cho
Department of Otorhinolaryngology-Head and Neck Surgery, Sanggye Paik Hospital, College of Medicine, Inje University, Seoul, Korea. entr1@naver.com
후비공에 발생한 상피모양 혈관내피종 1예
손정협, 조경래
인제대학교 의과대학 상계백병원 이비인후과학교실
Epithelioid hemangioendothelioma is a rare vascular tumor with intermediate malignity and metastasis risk. It presents epithelioid cells with intracytoplasmic vacuoles and low mitotic activity. Its vascular nature can be confirmed by immunohistochemical studies (vimentin, CD31, CD34, and factor VIII). It is extremely rare in the nasal cavity, with only one case reported on the middle turbinate in Korea. The authors present a case of epithelioid hemangioendothelioma on the choana with a size of 2mm, which easily coult have been misdiagnosed as a blood clot.
Key Words: Epithelioid hemangioendothelioma;Epistaxis;Nasal cavity

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