ArticlePolish journal of radiology2025
Magnetic resonance vessel wall imaging is superior to MRA in assessing the extent of vascular involvement in patients with moyamoya disease.
Article in Polish journal of radiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: To compare the effectiveness of time-of-flight (TOF) magnetic resonance angiography (MRA) and magnetic resonance (MR) vessel wall imaging (VWI) in assessing the degree of vascular involvement in patients with moyamoya disease (MMD). Material and methods: This was a single-time observational study carried out on patients with MMD before any surgical interventions. In addition to routine magnetic resonance imaging sequences, TOF MRA and VWI were performed. A total of 11 vascular segments (bilateral supraclinoid and terminal internal carotid arteries [ICA], anterior cerebral arteries [ACA], middle cerebral arteries [MCA], posterior cerebral arteries [PCA], and the distal basilar artery) were assessed in each patient for steno-occlusive changes on TOF MRA, and the presence of vessel wall thickening and enhancement on high-resolution VWI. Comparative analysis between the TOF MRA and VWI findings was conducted. Results: A total of 40 cases were included, out of which 39 patients presented with infarcts, predominantly in multiterritorial distribution and only one patient presented with intracerebral hemorrhage. 440 vascular segments were assessed on TOF MRA and VWI, out of which TOF MRA revealed 38.8% stenotic ( Conclusion: This study highlights the valuable role of VWI as an important diagnostic tool and its superiority to TOF MRA for evaluating the extent of vascular involvement in patients with MMD.
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