A De Novo Aneurysm of the Anterior Cerebral Azygos Artery Following a Middle Cerebral Arterial Aneurysm with Subarachnoid Hemorrhage.
arachnoid hemorrhage
arterial stress
azygos artery
de novo intracerebral aneurysm
middle cerebral arterial aneurysm
Journal
NMC case report journal
ISSN: 2188-4226
Titre abrégé: NMC Case Rep J
Pays: Japan
ID NLM: 101692589
Informations de publication
Date de publication:
2021
2021
Historique:
received:
15
04
2020
accepted:
05
10
2020
entrez:
26
1
2022
pubmed:
27
1
2022
medline:
27
1
2022
Statut:
epublish
Résumé
A de novo aneurysm of a cerebral artery, defined as a newly growing aneurysm after aneurysmal clipping, but not close to a previously clipped one, is relatively rare. Five studies have reported that the annual incidence of de novo aneurysm formation ranged from 0.3% to 1.8%. A 56-year-old man presented with headache. Magnetic resonance angiography (MRA) and computed tomography (CT) showed an aneurysm with arachnoid hemorrhage located at the left middle cerebral artery (MCA) associated with an azygos anterior cerebral artery (ACA). Eight years later, the patient complained of dizziness, and MRA demonstrated no visualization of the MCA on the left due to metal artifact, but a new lesion, an azygos ACA aneurysm, 9 mm in diameter, was seen. Clipping was performed using multiple clips through the interhemispheric space. Late follow-up examination with MRA or three-dimensional CT to detect de novo aneurysms should be considered in a patient with this vascular anomaly after subarachnoid hemorrhage.
Identifiants
pubmed: 35079480
doi: 10.2176/nmccrj.cr.2020-0120
pii: nmccrj-8-309
pmc: PMC8769412
doi:
Types de publication
Case Reports
Langues
eng
Pagination
309-314Informations de copyright
© 2021 The Japan Neurosurgical Society.
Déclaration de conflit d'intérêts
Conflicts of Interest Disclosure All authors have no conflicts of interest.
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