• Aline Lariessy Campos Paiva, Antonio Afonso de Salles, Juliete Melo Diniz, Saraiva Crystian Chagas CC Department of Physics, Hospital do Coração, São Paulo, Brazil., Gabriel Rissoli Ramos, and Alessandra Augusta Gorgulho.
• Department of Neurosurgery, Santa Casa de São Paulo, São Paulo, Brazil; Department of Neurosurgery, Hospital São Luiz/Rede Dor, Hospital Santa Isabel, São Paulo, Brazil. Electronic address: lariessy@hotmail.com.
• World Neurosurg. 2020 Nov 1; 143: 118-120.

BackgroundRare and deep located tumors are surgical challenge with high morbidity. Minimal invasive techniques should be encouraged for a better outcome. Intralabyrinthine schwannoma (ILS) is a rare benign tumor that usually presents with hearing loss and tinnitus. Surgery is associated with high rate of facial paralysis and deafness. Radiosurgery is an option for tinnitus treatment, without the risk of facial paralysis.Case DescriptionA young male patient presented with severe hearing loss and incapacitating tinnitus. Magnetic resonance revealed the presence of a small ILS. Radiosurgery was performed and obtained tinnitus control without complications and no further tumor growth.ConclusionsTumor control and symptoms relief could be safely achieved through a precisely plan using Gamma Knife radiosurgery, decreasing morbidity. This is the first radiosurgical description for a transmodiolar schwannoma.Copyright © 2020 Elsevier Inc. All rights reserved.

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