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J Audiol Otol > Epub ahead of print
DOI: https://doi.org/10.7874/jao.2022.00276    [Epub ahead of print] Published online November 24, 2022.
Endoscopic Management of Glomus Tympanicum Tumor: Report of Three Cases and Review of the Literature
Athanasios Luca Fountarlis  , Jiannis Hajiioannou  , Vasileios Lachanas  , Ioannis Tsitiridis  , Athanasios Saratziotis  , Aggeliki Alagianni  , Charalampos Skoulakis 
Department of Otorhinolaryngology, University General Hospital of Larisa, Mezourlo, Larisa, Greece
Correspondence  Athanasios Luca Fountarlis ,Tel: +30-6980411541, Fax: +30-241-0282050, Email: afountar@gmail.com
Submitted: June 27, 2022  Accepted after revision: September 17, 2022
Abstract
Glomus tympanicum are benign tumors of vascular origin, arising from the neural crest cells and located on promontory. The treatment of choice is surgical excision of the lesion. Traditionally, it is performed under microscopic observation. With the introduction of endoscopes in the field of ear surgeries, an endoscopic approach has also evolved. Herein, we present case reports of three patients diagnosed with glomus tympanicum tumors who were operated on using an endoscopic approach. A review of the literature is also performed. The mass was completely excised in all patients, and there were no signs of recurrence at the follow-up at least a year later. Endoscopic ear surgery is a safe and effective method of managing glomus tympanicum tumors. Its main limitation is the tumor size; however, in most cases, tumors of stages I to II as per the Glasscock-Jackson classification and types A1 to B1 according to the modified Fisch-Mattox classification can be completely removed endoscopically. Careful preoperative selection of patients warrants the best outcomes.
Keywords: Glomus tympanicum; Endoscopic surgical procedure; Paraganglioma; Conductive hearing loss; Tinnitus
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