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- W3029654345 abstract "ObjectiveTo discuss the assistance with multimodal image fusion technology in surgery of vestibular schwannomas to improve the rate of total resection as well as preservation of nerve function and achieve precise surgical treatment.MethodsThis retrospective study involved 30 patients who underwent surgical treatment of vestibular schwannomas with the assistance of multimodal image fusion at Neurosurgery Department of PLA General Hospital from January 2016 to August 2016. The facial nerve was reconstructed through Fast Imaging Employing Steady State Acquisition With Cycled Phases (FIESTA-C) and Diffusion Tensor Imaging (DTI), and the accuracy of reconstructed facial nerve was verified by intraoperative findings under microscope. The images of facial nerve, internal auditory canal water imaging and temporal bone CT were 3D-reconstructed and fused to determine the relationship between tumors and surrounding structures. CT navigation was used to determine the exact location of posterior wall of the internal auditory canal and areas to be removed. Continuous intraoperative neuroelectrophysiological monitoring was conducted to determine the location of the nerve to avoid its injury.ResultsTotal tumor resection was achieved in 28 cases (93.3%) and subtotal resection in 2 cases (6.7%). The anatomical integrity of facial nerve was preserved in 28 cases (93.3%), and 26 cases (86.7%) had excellent or good facial functions. The successful rate of facial nerve reconstruction was 100%, and 93.3% of all patients demonstrated consistence between reconstructed and actual positions of the nerve. Navigation was performed in 17 patients with the registration error ranging from 0.30 mm to 0.92 mm (mean: 0.47±0.15 mm). None of the patients had preoperative functional hearing, and no one retained or improved hearing postoperatively. During the perioperative period, there was no death, cerebrospinal fluid leakage, intracranial hematoma or lower cranial nerve palsy.ConclusionThe application of multimodal image fusion in surgical treatment of acoustic neuromas could improve the rates of total resection and facial function retention and help reduce operative complications.Key words: Neuroma, acoustic; Neuronavigation; Diffusion tensor imaging; Neurophysiology monitoring; Facial nerve; Internal auditory canal" @default.
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- W3029654345 date "2018-01-28" @default.
- W3029654345 modified "2023-10-03" @default.
- W3029654345 title "Assistance with multimodal image fusion in surgery of vestibular schwannomas" @default.
- W3029654345 doi "https://doi.org/10.3760/cma.j.issn.1001-2346.2018.01.004" @default.
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