{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T01:03:50Z","timestamp":1788397430217,"version":"build-2803163510"},"reference-count":60,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,3]]},"abstract":"\n OBJECTIVE<\/jats:title>\n Total tumor excision with the preservation of neurological function and quality of life is the goal of modern-day vestibular schwannoma (VS) surgery. Postoperative facial nerve (FN) paralysis is a devastating complication of VS surgery. Determining the course of the FN in relation to a VS preoperatively is invaluable to the neurosurgeon and is likely to enhance surgical safety with respect to FN function. Diffusion tensor imaging\u2013fiber tracking (DTI-FT) technology is slowly gaining traction as a viable tool for preoperative FN visualization in patients with VS.<\/jats:p>\n <\/jats:sec>\n \n METHODS<\/jats:title>\n A systematic review of the literature in the PubMed, Cochrane Library, and Web of Science databases was performed in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, and those studies that preoperatively localized the FN in relation to a VS using the DTI-FT technique and verified those preoperative FN tracking results by using microscopic observation and electrophysiological monitoring during microsurgery were included. A pooled analysis of studies was performed to calculate the surgical concordance rate (accuracy) of DTI-FT technology for FN localization.<\/jats:p>\n <\/jats:sec>\n \n RESULTS<\/jats:title>\n Fourteen studies included 234 VS patients (male\/female ratio 1:1.4, age range 17\u201375 years) who had undergone preoperative DTI-FT for FN identification. The mean tumor size among the studies ranged from 29 to 41.3 mm. Preoperative DTI-FT could not visualize the FN tract in 8 patients (3.4%) and its findings could not be verified in 3 patients (1.2%), were verified but discordant in 18 patients (7.6%), and were verified and concordant in 205 patients (87.1%).<\/jats:p>\n <\/jats:sec>\n \n CONCLUSIONS<\/jats:title>\n Preoperative DTI-FT for FN identification is a useful adjunct in the surgical planning for large VSs (> 2.5 cm). A pooled analysis showed that DTI-FT successfully identifies the complete FN course in 96.6% of VSs (226 of 234 cases) and that FN identification by DTI-FT is accurate in 90.6% of cases (205 of 226 cases). Larger studies with DTI-FT\u2013integrated neuronavigation are required to look at the direct benefit offered by this specific technique in preserving postoperative FN function.<\/jats:p>\n <\/jats:sec>","DOI":"10.3171\/2017.12.focus17672","type":"journal-article","created":{"date-parts":[[2018,3,1]],"date-time":"2018-03-01T03:36:48Z","timestamp":1519875408000},"page":"E5","source":"Crossref","is-referenced-by-count":42,"title":["Preoperative diffusion tensor imaging\u2013fiber tracking for facial nerve identification in vestibular schwannoma: a systematic review on its evolution and current status with a pooled data analysis of surgical concordance rates"],"prefix":"10.3171","volume":"44","author":[{"given":"Amey R.","family":"Savardekar","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Devi P.","family":"Patra","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jai D.","family":"Thakur","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vinayak","family":"Narayan","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nasser","family":"Mohammed","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Papireddy","family":"Bollam","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anil","family":"Nanda","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1","series-title":"J Neurosurg","first-page":"643","article-title":"Resection of large vestibular schwannomas: facial nerve preservation in the context of surgical approach and patient-assessed outcome","volume":"102","author":"Anderson DE","year":"2005","unstructured":"Anderson DE, Leonetti J, Wind JJ, Cribari D, Fahey K: Resection of large vestibular schwannomas: facial nerve preservation in the context of surgical approach and patient-assessed outcome. 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