AUTHOR=You Dong , Ma Zhao , Liu Jing , Song Xiao , Dong Wei TITLE=Malignant Eccrine Spiradenoma of the External Auditory Canal: A Case Report and Literature Review JOURNAL=Frontiers in Oncology VOLUME=Volume 10 - 2020 YEAR=2021 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2020.574112 DOI=10.3389/fonc.2020.574112 ISSN=2234-943X ABSTRACT=Spiradenocarcinoma, or malignant eccrine spiradenoma (MES), is a rare sweat gland tumour originating from eccrine sweat glands. To the best of our knowledge, only 2 cases of MES of the external auditory canal have been reported to date. Here, we report a third case of MES located in the external auditory canal.