Flexible Endoscopic-assisted Microsurgical Radical Resection of Intracanalicular Vestibular Schwannomas by Retrosigmoid Approach: Operative Technique

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Flexible Endoscopic-assisted Microsurgical Radical Resection of Intracanalicular Vestibular Schwannomas by Retrosigmoid Approach: Operative Technique

By Luciano Mastronardi 3 Videos FEATURING Luciano Mastronardi, Raffaelino Roperto

2,558 views

April 28, 2018

Backgrounds: The efficacy of endoscopic techniques in the surgical management of intracanalicular vestibular schwannomas (ICVS) ...
read more ↘ has been underlined in recent studies. Particularly, endoscopic assisted retrosigmoid approach (EARSA) appears particularly suitable in achieving complete resection of ICVS.
Objective: In this study we present the surgical treatment of 3 cases of ICVS, treated with an endoscopic assisted retrosigmoid approach, highlighting advantages and limitations of flexible endoscope in the accomplishment of a safe radical resection with hearing preservation.
Methods: Three patients harboring ICVS were operated on through a flexible endoscopic-assisted microneurosurgical retrosigmoid approach.
Results: Flexible endoscopic assistance allowed identifications of residual tumor located in the most lateral portion of the fundus of the internal auditory canal (IAC) in all cases. Endoscopic controls and further microsurgical resection was attempted and complete surgical resection was achieved in all cases without occurrence of postoperative facial or auditory nerve dysfunctions.
Conclusions: Flexible endoscope appears to be particularly useful and safe in the surgical management of ICVS operated on with endoscopic-assisted-microneurosurgery by retrosigmoid approach.
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