Transcanal endoscopic assisted skull base endolymphatic sac tumor resection: A rare disease with advanced technology

Wai Tsz Chang; Ka Yue Tam; Hung Yao; Kwan Ho Chow; Michael Chi Fai Tong

doi:10.1016/j.joto.2019.06.001

Transcanal endoscopic assisted skull base endolymphatic sac tumor resection: A rare disease with advanced technology

J Otol. 2020 Mar;15(1):1-5. doi: 10.1016/j.joto.2019.06.001. Epub 2019 Jul 3.

Authors

Wai Tsz Chang¹, Ka Yue Tam¹, Hung Yao², Kwan Ho Chow³, Michael Chi Fai Tong¹

Affiliations

¹ Department of Otorhinolaryngology, Head and Neck Surgery, the Chinese University of Hong Kong, Hong Kong.
² Department of Pathology, Princess Margaret Hospital, Hong Kong.
³ Department of Neurosurgery, Princess Margaret Hospital, Hong Kong.

Abstract

Endolymphatic sac tumors (ELSTs) are rare, papillary adenomatous tumors that arise from the endothelium of the endolymphatic sac. We demonstrate a difficult case of endolymphatic sac tumor and how it is managed via transcanal endoscopic assisted technique, with discussion of feasibility of transcanal approach to lateral skull base tumor.

Keywords: Endolymphatic sac; Lateral skull base; Transcanal combined endoscopic microscopic approach; Transcanal endoscopic assisted technique.