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Unusual Case of Radiation-Induced Cavernous Malformation after Gamma Knife Radiosurgery for Meningioma

Authors
 Chang Ki Jang  ;  Minsoo Kim  ;  Na Young Jung  ;  Young Goo Kim  ;  Won Seok Chang  ;  Hyun Ho Jung  ;  Jin Woo Chang  ;  Yong Gou Park 
Citation
 Journal of the Korean Society of Stereotactic and Functional Neurosurgery (대한정위기능신경외과학회지), Vol.11 : 120-123, 2015 
Journal Title
Journal of the Korean Society of Stereotactic and Functional Neurosurgery(대한정위기능신경외과학회지)
ISSN
 1738-6217 
Issue Date
2015
Keywords
Radiation-induced cavernous malformation ; Gamma knife radiosurgery ; Meningioma ; MRI
Abstract
We report an unusual case of delayed bleeding, highly suspected to be a radiation-induced cavernous malformation after gamma knife radiosurgery for meningioma. A 59-year-old woman underwent gamma knife radiosurgery with a marginal dose of 15 Gy with the 50% isodose line for parasagittal meningioma. After 5 years, magnetic resonance imaging (MRI) showed a marked decrease in the volume of the meningioma. The patient gradually developed right side weakness 7 years after the gamma knife radiosurgery. We performed another MRI scan and it showed a new hemorrhage compatible with cavernous malformation at the site of irradiation. Her weakness was conservatively treated and improved after about a month.
DOI
2015
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Minsoo(김민수)
Kim, Young Goo(김영구)
Park, Yong Gou(박용구)
Chang, Won Seok(장원석) ORCID logo https://orcid.org/0000-0003-3145-4016
Chang, Jin Woo(장진우) ORCID logo https://orcid.org/0000-0002-2717-0101
Jang, Chang Ki(장창기) ORCID logo https://orcid.org/0000-0001-8715-8844
Jung, Na Young(정나영)
Jung, Hyun Ho(정현호)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/156871
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