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Long-Term Outcomes of Modified Endoscopic Transcanal Approach to Small Acoustic Tumors.
Otol Neurotol
October 2024
Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea.
Article Synopsis
- Management of small acoustic tumors varies, and surgery is selective to minimize risks; a new endoscopic transcanal technique offers a less invasive removal method.
- A study at a tertiary hospital reviewed 22 patients treated with this Modified Endoscopic Transcanal Transpromontorial Approach (mETTA), focusing on tumor control and complications like CSF leakage and facial palsy.
- Results showed high success with 21 gross total removals, manageable healing issues for the tympanic membrane, and an average operation time of about 150 minutes with a hospital stay of roughly 9 days.
Objectives: The exclusive endoscopic transcanal transpromontorial approach (EETTA) has recently been developed for the removal of small-sized acoustic neuromas in the labyrinth (intralabyrinthine schwannoma [ILS]) or internal auditory canal (IAC). Although small tumors that meet the indications for EETTA are also good candidates for cochlear implantation (CI), there are few reports on CI after schwannoma removal using EETTA. Here we present an outcome of patients who underwent simultaneous EETTA and CI.
View Article and Find Full Text PDFThe endoscopic transcanal approach to the internal auditory canal: an anatomic study.
Eur Arch Otorhinolaryngol
October 2024
Department of Otorhinolaryngology, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, Brazil.
Purpose: The internal auditory canal (IAC) plays a key role in lateral skull base surgery. Although several approaches to the IAC have been proposed, endoscope-assisted transcanal corridors to the IAC have rarely been studied. We sought to provide a step-by-step description of the transcanal transpromontorial approach to the IAC and analyze anatomic relationships that might enhance predictability and safety of this approach.
View Article and Find Full Text PDFTranscanal transpromontorial approach for vestibular schwannoma: experience of a single center.
Eur Arch Otorhinolaryngol
May 2024
Posterior Cranial Fossa Unit, Department of Neurosciences, Biomedicine and Movement Sciences, Ospedale Civile Maggiore Verona, Verona, Italy.
Background: The expanded transpromontorial transcanal approach (ExpTTA) represents a recent addition to the surgical approaches available for the treatment of vestibular schwannoma. An initial purely endoscopic version has been complemented by the use of the microscope and it is now one of the possible surgical options for small to medium-sized vestibular schwannomas with a predominantly intracanalar development.
Methods: This is a series of 54 patients who underwent microsurgical resection of sporadic, unilateral vestibular schwannoma, mainly Koos I-II with non-serviceable hearing, between January 2016 and January 2023 using the expanded transcanal transpromontorial approach.
Full Endoscopic Resection of Intralabyrinthine Schwannomas: A Case Series.
Ear Nose Throat J
June 2023
Department of Otorhinolaryngology, ENT Institute, Eye and ENT Hospital, Fudan University, Shanghai, China.
To investigate the technique and efficacy of fully endoscope resection of intralabyrinthine schwannomas (ILS) by transcanal transpromontorial endoscopic approach (TTEA). Retrospective case review. Hospital.
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