Document Detail

An intracranial pseudoaneurysm in the distal middle cerebral artery in a child.
MedLine Citation:
PMID:  18703893     Owner:  NLM     Status:  MEDLINE    
Intracranial pseudoaneurysms are rare, particularly in children and adolescents. They are characterized by the presence of organizing hematoma and fibrosis without true vascular elements. Most pseudoaneurysms result from events such as major trauma or infectious illness, and the development of pseudoaneurysm without a preceding incident is rare. We here describe a patient with a large pseudoaneurysm arising in the distal middle cerebral artery. A 10-year-old boy experienced a sudden onset of headache, nausea, and vomiting followed by loss of consciousness and was referred to our medical center. Brain computed tomography showed massive subcortical hemorrhage in the left temporal lobe. Digital cerebral angiography revealed a huge aneurysmal dilatation of the distal left M1 segment of the middle cerebral artery, with delayed filling and emptying of contrast media. Surgical resection of the aneurysm with evacuation of the hematoma yielded restoration of consciousness. Although the cause of aneurysm in this case is uncertain, this type of patient is seldom encountered; its etiology and mechanisms of onset are discussed with reference to the literature.
Masaru Honda; Tomoaki Nagamine; Katsumi Yamashiro; Takeyoshi Shimoji
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2008-08-15
Journal Detail:
Title:  Pediatric neurosurgery     Volume:  44     ISSN:  1423-0305     ISO Abbreviation:  Pediatr Neurosurg     Publication Date:  2008  
Date Detail:
Created Date:  2008-08-27     Completed Date:  2009-01-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9114967     Medline TA:  Pediatr Neurosurg     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  426-9     Citation Subset:  IM    
Copyright Information:
(c) 2008 S. Karger AG, Basel.
Department of Neurosurgery, Okinawa Nanbu Medical Center and Children's Medical Center, Haebaru, Japan.
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MeSH Terms
Aneurysm, False / diagnosis*,  surgery*
Intracranial Aneurysm / diagnosis*,  surgery
Middle Cerebral Artery / pathology,  surgery

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