Change in tinnitus after treatment of vestibular schwannoma: microsurgery vs. gamma knife radiosurgery

Tinnitus is a very common symptom of vestibular schwannoma, present in 45 to 80% of patients. We evaluated changes in tinnitus after translabyrinthine microsurgery (TLM) or gamma knife radiosurgery (GKS). Among 78 patients with vestibular schwannoma who underwent TLM or GKS at Severance Hospital fro...

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Bibliographic Details
Published in:Yonsei medical journal 2014, 55(1), , pp.19-24
Main Authors: Park, Soon Hyung, Oh, Hee So, Jeon, Ju Hyun, Lee, Yong Ju, Moon, In Seok, Lee, Won-Sang
Format: Article
Language:English
Subjects:
Adult
Female
Humans
Male
Middle Aged
Neuroma, Acoustic - surgery
Original
Radiosurgery - methods
Tinnitus - surgery
Treatment Outcome
의학일반
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Summary:Tinnitus is a very common symptom of vestibular schwannoma, present in 45 to 80% of patients. We evaluated changes in tinnitus after translabyrinthine microsurgery (TLM) or gamma knife radiosurgery (GKS). Among 78 patients with vestibular schwannoma who underwent TLM or GKS at Severance Hospital from 2009-2012, 46 patients with pre- or postoperative tinnitus who agreed to participate were enrolled. Pure tone audiometry, tinnitus handicap inventory (THI), visual analogue scale (VAS) scores for loudness, awareness, and annoyance were measured before and after treatment. Changes of THI and VAS were analysed and compared according to treatment modality, tumour volume, and preoperative residual hearing. In the TLM group (n=27), vestibulocochlear nerves were definitely cut. There was a higher rate of tinnitus improvement in TLM group (52%) than GKS group (16%, p=0.016). The GKS group had a significantly higher rate of tinnitus worsening (74%) than TLM group (11%, p
ISSN:0513-5796
1976-2437
DOI:10.3349/ymj.2014.55.1.19