Document Detail


Late cyst convolution after gamma knife radiosurgery for cerebral arteriovenous malformations.
MedLine Citation:
PMID:  9782248     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Although many series of patients with cerebral arteriovenous malformations (AVMs) treated radiosurgically have been published, there has been little information on cysts appearing several years after irradiation. Herein, we discuss the incidence, mechanisms and predictability of late cyst formation based on our personal experiences, as well as reported patients. The incidence of this complication, though generally considered to be 0.5% or less, may be higher than assumed. Although a breakdown of the blood-brain barrier is likely to play a major role in the formation process, the hematoma cavity itself may have the potential to become a cyst. A radiation-induced lesion appearing several years after irradiation and persisting for several years thereafter may be a warning sign of late cyst formation. Long-term follow-up, particularly using neuroimaging techniques, is necessary even after the 'treatment goal' has been achieved.
Authors:
M Yamamoto; M Ide; M Jimbo; M Hamazaki; S Ban
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Stereotactic and functional neurosurgery     Volume:  70 Suppl 1     ISSN:  1011-6125     ISO Abbreviation:  Stereotact Funct Neurosurg     Publication Date:  1998 Oct 
Date Detail:
Created Date:  1998-12-18     Completed Date:  1998-12-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8902881     Medline TA:  Stereotact Funct Neurosurg     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  166-78     Citation Subset:  IM    
Affiliation:
Department of Neurosurgery, Tokyo Women's Medical College Dai-ni Hospital, Tokyo, Japan. myamamot@po.iijnet.or.jp
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MeSH Terms
Descriptor/Qualifier:
Brain Diseases / diagnosis,  etiology*,  surgery
Cerebral Angiography
Cysts / diagnosis,  etiology*,  surgery
Drainage
Female
Humans
Intracranial Arteriovenous Malformations / diagnosis,  surgery*
Magnetic Resonance Angiography
Magnetic Resonance Imaging
Meningeal Neoplasms / radiography
Meningioma / radiotherapy
Postoperative Complications*
Radiation Injuries / complications
Radiosurgery / instrumentation*
Reoperation
Tomography, X-Ray Computed

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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