Is a Solitary Fibrous Tumor in the External Auditory Canal Benign?.
10.7874/jao.2016.20.2.120
- Author:
Chi Kyou LEE
1
;
Hyun Ju LEE
Author Information
1. Department of Otorhinolarygology-Head and Neck Surgery, Soonchunhyang University School of Medicine, Cheonan, Korea. drqlee@hanmail.net
- Publication Type:Case Report
- Keywords:
External auditory canal;
Solitary fibrous tumor;
Hemangiopericytoma
- MeSH:
Adult;
Biopsy;
Central Nervous System;
Ear Canal*;
Female;
Hemangiopericytoma;
Hemorrhage;
Humans;
Recurrence;
Solitary Fibrous Tumors*
- From:Journal of Audiology & Otology
2016;20(2):120-122
- CountryRepublic of Korea
- Language:English
-
Abstract:
A solitary fibrous tumor (SFT) is an extremely rare, distinct otological soft-tissue tumor. Only two such tumors in the external auditory canal have been reported. A SFT related to hemangiopericytomas (HPC), which commonly arise in the central nervous system. HPCs act malignant in many cases, while SFTs at other sites are mainly benign. A 25-year-old female presented with highly vascular tumor at the right external auditory meatus and bleeding from the mass when a crust was removed from its surface. After excisional biopsy followed by pre-operative embolization, this tumor confirmed with SFT. The recurrence rate of SFT is very low after complete resection, with a slightly increased risk of recurrence with extrathoracic tumors. We describe the third case of SFT in the external auditory canal and review the literature.
