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High-Resolution Contrast-Enhanced 3D-Spoiled Gradient-Recalled Imaging for Evaluation of Intracranial Vertebral Artery and Posterior Inferior Cerebellar Artery in Lateral Medullary Infarction

 Youngno Yoon  ;  Sung Jun Ahn  ;  Sang Hyun Suh  ;  Ah Young Park  ;  Tae-Sub Chung 
 Journal of the Korean Society of Magnetic Resonance in Medicine (대한자기공명의과학회지), Vol.18(1) : 17-24, 2014 
Journal Title
 Journal of the Korean Society of Magnetic Resonance in Medicine (대한자기공명의과학회지) 
Issue Date
Lateral medullary infarction ; Intracranial vertebral artery ; Posterior inferior cerebellar artery ; High-resolution contrast-enhanced magnetic resonance imaging ; Diffusion-weighted magnetic resonance imaging
Purpose : To determine whether high-resolution contrast-enhanced three dimensional imaging with spoiled gradient-recalled sequence (HR-CE 3D-SPGR) plays a meaningful role in the assessment of intracranial vertebral artery (ICVA) and posterior inferior cerebellar artery (PICA) in lateral medullary infarction (LMI). Materials and Methods: Twenty-five patients confirmed with LMI were retrospectively enrolled with approval by the IRB of our institute, and 3T MRI with HR-CE 3D-SPGR and contrast-enhanced magnetic resonance angiography (CE-MRA) were performed. Two radiologists who were blinded to clinical information and other brain MR images including diffusion weighted image independently evaluated arterial lesions in ICVA and PICA. The demographic characteristics, the area of LMI and cerebellar involvement were analyzed and compared between patients with arterial lesion in ICVA only and patients with arterial lesions in both ICVA and PICA on HR-CE 3D-SPGR. Results: Twenty-two of twenty-five LMI patients had arterial lesions in ICVA or PICA on HR-CE 3D SPGR. However twelve arterial lesions in PICA were not shown on CE-MRA. Concurrent cerebellar involvement appeared more in LMI patients with arterial lesion in ICVA and PICA than those with arterial lesion in ICVA alone (p = 0.069). Conclusion: HR-CE 3D-SPGR can help evaluate arterial lesions in ICVA and PICA for LMI patients.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Park, Ah Young(박아영)
Suh, Sang Hyun(서상현) ORCID logo https://orcid.org/0000-0002-7098-4901
Ahn, Sung Jun(안성준) ORCID logo https://orcid.org/0000-0003-0075-2432
Chung, Tae Sub(정태섭)
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