Abstract
BackgroundThe precise etiology of anterior inferior cerebellar artery (AICA) infarction is difficult to identify because of the high anatomic variability of vertebrobasilar arteries and the limitations of conventional vascular examinations. Basi-parallel anatomic scanning magnetic resonance imaging (BPAS-MRI) can reveal the outer contour of the intracranial vertebrobasilar arteries, which may be helpful to distinguish the arteriosclerosis from congenital dysplasia and dissection.Case presentationIn this study, we reported 3 cases of AICA infarction and discussed the diagnostic value of BPAS-MRI in the evaluation of vascular etiology.ConclusionsThe BPAS-MRI could be considered as an important supplementary in the diagnosis of vascular etiology of infarction in AICA territory.
Highlights
The precise etiology of anterior inferior cerebellar artery (AICA) infarction is difficult to identify because of the high anatomic variability of vertebrobasilar arteries and the limitations of conventional vascular examinations
The etiology of AICA infarction is difficult to diagnose due to the high anatomic variability in vertebrobasilar system, even both of the patients in Case 1 and Case 2 had atherosclerotic risk factors in our study
In Case 1, if the occlusion was from the origin of AICA instead of the proximal part, even the Digital subtraction angiography (DSA), which has widely been considered as the gold standard, still could not differentiate the occlusion from congenital dysplasia
Summary
The BPAS-MRI could be considered as an important supplementary in the diagnosis of vascular etiology of infarction in AICA territory.
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