Abstract：
:Organized hematoma is a rare complication that can develop following gamma knife radiosurgery (GKS) for cerebral arteriovenous malformation (AVM). Here, we describe 5 patients with growing organized hematomas that developed from completely obliterated AVMs several years after GKS. The patients were 15, 16, 30, 36, and 38 years old at the time of GKS, respectively, and 3 patients were female. Four AVMs were located in the lobe of the brain, and the remaining AVM were in the thalamus. Between 2-12 years after GKS, patients developed progressive symptoms such intractable headache or hemiparesis and enhancing mass lesions were identified. Follow-up visits revealed the slow expansion of the hematomas and surrounding edema. Steroids were ineffective, and thus surgery was performed. Histology revealed organized hematomas with a capsule, but there was no evidence of residual AVMs or vascular malformation. After surgery, the neurological symptoms of all patients improved and the surrounding edema resolved. However, the hematoma continued to expand and intraventricular hemorrhage developed in 1 patient whose hematoma was only partially removed. GKS for cerebral AVM can be complicated by growing, organized hematomas that develop after complete obliteration. Growing hematomas should be surgically evacuated if they are symptomatic. Radical resection of the hematoma capsule is also strongly recommended.
journal_name
J Korean Neurosurg Socjournal_title
Journal of Korean Neurosurgical Societyauthors
Park JC,Ahn JS,Kwon DH,Kwun BDdoi
10.3340/jkns.2015.58.1.83subject
Has Abstractpub_date
2015-07-01 00:00:00pages
83-8issue
1eissn
2005-3711issn
1598-7876journal_volume
58pub_type
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journal_title：Journal of Korean Neurosurgical Society
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更新日期：2010-04-01 00:00:00
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pub_type： 杂志文章
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更新日期：2013-02-01 00:00:00
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pub_type： 杂志文章
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更新日期：2009-09-01 00:00:00
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更新日期：2016-11-01 00:00:00
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更新日期：2012-06-01 00:00:00
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pub_type： 杂志文章
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pub_type： 杂志文章,评审
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