Cortical Distribution of Fragile Periventricular Anastomotic Collateral Vessels in Moyamoya Disease: An Exploratory Cross-Sectional Study of Japanese Patients with Moyamoya Disease.
Adult
Cerebral Angiography
/ methods
Cerebral Cortex
/ blood supply
Collateral Circulation
Cross-Sectional Studies
Female
Humans
Image Interpretation, Computer-Assisted
/ methods
Japan
Magnetic Resonance Angiography
/ methods
Magnetic Resonance Imaging
Male
Middle Aged
Moyamoya Disease
/ diagnostic imaging
Neuroimaging
/ methods
Journal
AJNR. American journal of neuroradiology
ISSN: 1936-959X
Titre abrégé: AJNR Am J Neuroradiol
Pays: United States
ID NLM: 8003708
Informations de publication
Date de publication:
12 2020
12 2020
Historique:
received:
01
05
2020
accepted:
06
08
2020
pubmed:
7
11
2020
medline:
9
3
2021
entrez:
6
11
2020
Statut:
ppublish
Résumé
Collateral vessels in Moyamoya disease represent potential sources of bleeding. To test whether these cortical distributions vary among subtypes, we investigated cortical terminations using both standardized MR imaging and MRA. Patients with Moyamoya disease who underwent MR imaging with MRA in our institution were enrolled in this study. MRA was spatially normalized to the Montreal Neurological Institute space; then, collateral vessels were measured on MRA and classified into 3 types of anastomosis according to the parent artery: lenticulostriate, thalamic, and choroidal. We also obtained the coordinates of collateral vessel outflow to the cortex. Differences in cortical terminations were compared among the 3 types of anastomosis. We investigated 219 patients with Moyamoya disease, and a total of 190 collateral vessels (lenticulostriate anastomosis, Cortical distribution patterns appear to differ markedly among the 3 types of collaterals.
Sections du résumé
BACKGROUND AND PURPOSE
Collateral vessels in Moyamoya disease represent potential sources of bleeding. To test whether these cortical distributions vary among subtypes, we investigated cortical terminations using both standardized MR imaging and MRA.
MATERIALS AND METHODS
Patients with Moyamoya disease who underwent MR imaging with MRA in our institution were enrolled in this study. MRA was spatially normalized to the Montreal Neurological Institute space; then, collateral vessels were measured on MRA and classified into 3 types of anastomosis according to the parent artery: lenticulostriate, thalamic, and choroidal. We also obtained the coordinates of collateral vessel outflow to the cortex. Differences in cortical terminations were compared among the 3 types of anastomosis.
RESULTS
We investigated 219 patients with Moyamoya disease, and a total of 190 collateral vessels (lenticulostriate anastomosis,
CONCLUSIONS
Cortical distribution patterns appear to differ markedly among the 3 types of collaterals.
Identifiants
pubmed: 33154076
pii: ajnr.A6861
doi: 10.3174/ajnr.A6861
pmc: PMC7963258
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2243-2249Informations de copyright
© 2020 by American Journal of Neuroradiology.
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