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Effectiveness of navigation-guided cyst aspiration before resection of large cystic brain tumors: a proof of concept for more radical surgery

Authors
 Tae Hoon Roh  ;  Kyoung Su Sung  ;  Seok-Gu Kang  ;  Ju Hyung Moon  ;  Eui Hyun Kim  ;  Sun Ho Kim  ;  Jong Hee Chang 
Citation
 ACTA NEUROCHIRURGICA, Vol.159(10) : 1947-1954, 2017 
Journal Title
 ACTA NEUROCHIRURGICA 
ISSN
 0001-6268 
Issue Date
2017
Keywords
Brain neoplasms ; Diffusion tensor imaging ; Image-guided surgery ; Pyramidal tracts ; Tumor volume
Abstract
BACKGROUND: Resection of tumors close to the corticospinal tract (CST) carries a high risk of damage to the CST. For cystic tumors, aspirating the cyst before resection may reduce the risk of damage to vital structures. This study evaluated the effectiveness of cyst aspiration, by comparing the results before and after aspiration of diffusion tensor image (DTI) tractography. METHODS: This study enrolled 23 patients with large cystic brain tumors (>20 cm3) between 2012 and 2016. All underwent magnetic resonance imaging (MRI), including DTI tractography, followed by navigation-guided aspiration of the cyst and subsequent tumor resection via craniotomy. Distances between the tumor margin and CST before and after cyst aspiration, volume reduction, and postoperative outcomes were assessed. RESULTS: Median tumor volume decreased from 88 cm3 (range, 25-153) to 29 cm3 (range, 20-80) and distances between tumor margins and the CST increased from 5.7 mm (range, 0.6-22.0) to 14.8 mm (range, 0.6-41.4) after aspiration. Neurological symptoms of patients immediately improved after cyst aspiration. All patients, except for one with a secondary glioblastoma, underwent gross total resection of the tumor. No neurological deterioration was observed after tumor resection. CONCLUSIONS: Navigation-guided cyst aspiration followed by resection is a useful and safe procedure for brain tumors with large cystic components. Cyst aspiration resulted in expansion of the compressed brain tissue between the tumor margins and vital structures, making maximal safe resection possible.
Full Text
https://link.springer.com/article/10.1007%2Fs00701-017-3293-y
DOI
10.1007/s00701-017-3293-y
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Seok Gu(강석구) ORCID logo https://orcid.org/0000-0001-5676-2037
Kim, Sun Ho(김선호) ORCID logo https://orcid.org/0000-0003-0970-3848
Kim, Eui Hyun(김의현) ORCID logo https://orcid.org/0000-0002-2523-7122
Moon, Ju Hyung(문주형)
Chang, Jong Hee(장종희)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/160744
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