نتایج جستجو برای: retrosigmoid approach

تعداد نتایج: 1289918  

Journal: :The Laryngoscope 2013
Livio Presutti Matteo Alicandri-Ciufelli Elisa Cigarini Daniele Marchioni

Surgical approaches to the inner ear and internal auditory canal (IAC) are widely known and extensively recorded. The most popular can be classified as retrosigmoid, transmastoid-translabyrinthine, and middle cranial fossa approaches. For the first time, an exclusive endoscopic approach to the IAC is described here, used to remove a cochlear schwannoma involving both the IAC and labyrinth. The ...

2012
Masoud Shirvani Mohammad Ali Arami

Background: The present study aims to report the results and the prognostic and technical factors for hearing preservation during removal of vestibular schwannoma by a retrosigmoid approach. Methods: this was a retrospective study conducting on the 286 vestibular showannomas removal surgeries using retrosigmoid approach during October 2007 to 2011.Preoperative and postoperative clinical, audiom...

2017
Mahdi Safdarian Manouchehr Safdarian Roger Chou Seyed Mahmoud Ramak Hashemi Vafa Rahimi-Movaghar

This systematic review wasdesigned to compare the complications of acoustic neuroma surgery via the suboccipital retrosigmoid approach in the sitting versus lateral positions. Searches for randomized trials and observational studies about the complications of acoustic neuroma surgery were performed in five medical databases (though October 2015) including PubMed, MEDLINE (In-Process and Other N...

Journal: :The Laryngoscope 2013
Zain Boghani Osamah J Choudhry Richard F Schmidt Robert W Jyung James K Liu

INTRODUCTION Reconstruction of cranial defects is an essential component of skull base surgery as it aids in restoring functionality, providing coverage of intradural structures, and achieving optimal cosmesis. In acoustic neuroma surgery, tumor removal and subsequent reconstruction of the skull base defect are equally important elements. All three approaches utilized in acoustic neuroma surger...

2011
Takafumi Nishizaki Norio Ikeda Shigeki Nakano Takanori Sakakura Masaru Abiko Tomomi Okamura

Facial nerve schwannomas involving posterior and middle fossas are quite rare. Here, we report an unusual case of cerebellopontine angle facial schwannoma that involved the middle cranial fossa, two years after the first operation. A 53-year-old woman presented with a 3-year history of a progressive left side hearing loss and 6-month history of a left facial spasm and palsy. Magnetic resonance ...

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