Article ; Online: Fine, Vascular Network Formation in Patients with Vein of Galen Aneurysmal Malformation.
AJNR. American journal of neuroradiology
2022 Volume 43, Issue 10, Page(s) 1481–1487
Abstract: Background and purpose: A vein of Galen aneurysmal malformation is known to present with recruitment of dural feeders and, in our cohort, a fine, vascular network formation. The vessels we have observed differ from dural vascular recruitment in that ... ...
| Abstract | Background and purpose: A vein of Galen aneurysmal malformation is known to present with recruitment of dural feeders and, in our cohort, a fine, vascular network formation. The vessels we have observed differ from dural vascular recruitment in that they produce a hairlike, collateral network of vessels. We reviewed treatment courses of vein of Galen aneurysmal malformation treatments in a series of 36 cases that displayed a fine, vascular network formation. Materials and methods: We retrospectively analyzed 36 cases of vein of Galen aneurysmal malformation, including tectal/thalamic AVMs, treated at our center from January 2004 to September 2021, and reviewed fine, vascular network formations in the subarachnoid space and subependymal zone alongside the vein of Galen aneurysmal malformation. Results: Patients at first endovascular treatment ranged from neonates to 157 months (median age, 4.3 months). Patients with preinterventional fine, vascular network formations were significantly older at the initial angiogram than patients with postinterventional fine, vascular network formations ( Conclusions: Development of a fine, vascular network formation is an acquired and reversible phenomenon that differs from typical dural vessel recruitment, given the hairlike nature of the network and its rapid onset postinterventionally. It typically resolves after completion of treatment, and this resolution correlates with closure of the vein. We recommend that neurointerventionalists avoid delays in treatment wherever possible to reduce the likelihood of a fine, vascular network formation. |
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| MeSH term(s) | Infant, Newborn ; Humans ; Infant ; Cerebral Veins/diagnostic imaging ; Cerebral Veins/abnormalities ; Vein of Galen Malformations/diagnostic imaging ; Vein of Galen Malformations/therapy ; Retrospective Studies ; Embolization, Therapeutic ; Cerebral Angiography | |||||
| Language | English | |||||
| Publishing date | 2022-09-22 | |||||
| Publishing country | United States | |||||
| Document type | Review ; Journal Article | |||||
| ZDB-ID | 603808-6 | |||||
| ISSN | 1936-959X ; 0195-6108 | |||||
| ISSN (online) | 1936-959X | |||||
| ISSN | 0195-6108 | |||||
| DOI | 10.3174/ajnr.A7649 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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