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Diagnosis and surgical outcomes of intraparotid facial nerve schwannoma showing normal facial nerve function

Authors
 D.W. Lee  ;  H.K. Byeon  ;  H.P. Chung  ;  E.C. Choi  ;  S.-H. Kim  ;  Y.M. Park 
Citation
 INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY, Vol.42(7) : 874-879, 2013 
Journal Title
 INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY 
ISSN
 0901-5027 
Issue Date
2013
MeSH
Adult ; Aged ; Biopsy, Fine-Needle ; Cranial Nerve Neoplasms/complications ; Cranial Nerve Neoplasms/diagnosis* ; Cranial Nerve Neoplasms/surgery ; Facial Nerve/diagnostic imaging* ; Facial Nerve/surgery ; Facial Paralysis/etiology ; Female ; Humans ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Neurilemmoma/complications ; Neurilemmoma/diagnosis* ; Neurilemmoma/surgery ; Parotid Gland/innervation* ; Parotid Gland/pathology ; Parotid Gland/surgery ; Postoperative Complications/prevention & control* ; Retrospective Studies ; Tomography, X-Ray Computed ; Treatment Outcome ; Ultrasonography
Keywords
parotid gland ; facial nerve schwannoma
Abstract
The findings of intraparotid facial nerve schwannoma (FNS) using preoperative diagnostic tools, including ultrasonography (US)-guided fine needle aspiration biopsy, computed tomography (CT) scan, and magnetic resonance imaging (MRI), were analyzed to determine if there are any useful findings that might suggest the presence of a lesion. Treatment guidelines are suggested. The medical records of 15 patients who were diagnosed with an intraparotid FNS were retrospectively analyzed. US and CT scans provide clinicians with only limited information; gadolinium enhanced T1-weighted images from MRI provide more specific findings. Tumors could be removed successfully with surgical exploration, preserving facial nerve function at the same time. Gadolinium-enhanced T1-weighted MRI showed more characteristic findings for the diagnosis of intraparotid FNS. Intraparotid FNS without facial palsy can be diagnosed with MRI preoperatively, and surgical exploration is a suitable treatment modality which can remove the tumor and preserve facial nerve function.
Full Text
http://www.sciencedirect.com/science/article/pii/S0901502713001239
DOI
10.1016/j.ijom.2013.03.013
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Se Heon(김세헌)
Park, Young Min(박영민) ORCID logo https://orcid.org/0000-0002-7593-8461
Byeon, Hyung Kwon(변형권)
Chung, Hyun Pil(정현필)
Choi, Eun Chang(최은창)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88144
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