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Comparison of imaging findings on three-dimensional black-blood enhanced MR imaging between intracranial atherosclerotic occlusion and thrombotic occlusion
Institution:1. Medical Student, Jeonbuk National University Medical School, Korea;2. Department of Radiology and Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Korea;1. Department of Neurology, University Hospital, Krakow, Poland;2. Institute of Physiotherapy, Faculty of Health Science, Jagiellonian University Medical College, Krakow, Poland;3. Department of Bioinformatics and Telemedicine, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland;4. Department of Neurology, Jagiellonian University Medical College, Kraków, Poland;5. Department of Thromboembolic Disorders, Institute of Cardiology, Jagiellonian University Medical College, Kraków, Poland;6. Center for Research and Innovative Technology John Paul II Hospital, Kraków, Poland;7. Center for Digital Medicine and Robotics, Jagiellonian University Medical College, Kraków, Poland;1. Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan;2. Clinical Research Center National Hospital Organization, 2-21 Higashigaoka, Meguro-ku, Tokyo, 152-8621, Japan;3. Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji-shi, Tokyo, 192-0392, Japan;1. Department of Haematology, Oslo University Hospital Rikshospitalet, Sognsveien 20, Oslo 0372, Norway;2. Department of Haematology, Akershus University Hospital, Sykehusveien 25, 1478 Nordbyhagen, Lørenskog, Norway;3. Department of Microbiology, Oslo University Hospital Rikshospitalet, Sognsveien 20, Oslo 0372, Norway.;4. Norwegian National Unit for Platelet Immunology, Division of Diagnostics, University Hospital of North Norway, Sykehusveien 38, Tromsø 9019, Norway;5. Department of Immunology and Transfusion Medicine, Oslo University Hospital, Ullevål, Kirkeveien 166, Oslo 0450, Norway;6. Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Klaus Torgårdsvei 3, Oslo 0372, Norway;7. Department of Neurology, Oslo University Hospital Rikshospitalet, Sognsveien 20, Oslo 0372, Norway;8. Department of Radiology and Nuclear Medicine, Oslo University Hospital Rikshospitalet, Sognsveien 20, Oslo 0372, Norway;9. Department of Neurosurgery, Oslo University Hospital Rikshospitalet. Sognsveien 20, Oslo 0372, Norway;1. Schools of Nursing, University of Michigan, Ann Arbor, Michigan;2. Medicine, University of Michigan, Ann Arbor, Michigan;3. Public Health, University of Michigan, Ann Arbor, Michigan;1. Department of Cardiovascular Surgery, University of Health Sciences, Bagcilar Training and Research Hospital, ?stanbul, Turkey;2. Department of Cardiovascular Surgery, University of Health Sciences, Kanuni Sultan Suleyman Training and Research Hospital, ?stanbul, Turkey;3. Department of Cardiology, University of Health Sciences, Bagcilar Training and Research Hospital, ?stanbul, Turkey;1. jiangsu Key Laboratory of Brain Disease Bio-information, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China;2. Research Center for Biochemistry and Molecular Biology, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, Jiangsu, China
Abstract:PurposeThe purpose of this study was to compare the imaging findings on three-dimensional (3D) black-blood (BB) contrast-enhanced MR imaging between intracranial atherosclerotic occlusion (IAO) and thrombotic occlusion (TO) of the middle cerebral artery (MCA) territory.Materials and methodsFrom August 2020 to September 2021, we retrospectively reviewed the BB contrast-enhanced MR imaging of patients visiting the emergency room for evaluation of acute ischemic stroke. In total, 77 patients with complete occlusion of the MCA territory on 3D BB contrast-enhanced MR imaging and cerebral angiography were enrolled in this study. We divided the IAO and TO groups according to occlusion causes based on angiography findings.ResultsOf 77 patients, 44 (57.1%) had an IAO in the M1 and M2 and 33 had a TO. Lesion length contrast enhancement (CE) in patients with a TO was significantly longer than that in patients with an IAO (18.95 mm IQR: 20.91] vs. 7.1 mm 8.92], p <0.001). Overall, 38 (39.4%) patients showed a disconnection of CE on 3D BB contrast-enhanced MR imaging, and 35 showed CE before and after the stenotic or thrombotic lesion. Symptomatic lesions on diffusion-weighted imaging in the TO group were significantly higher than that of the IAO group (97.0% vs, 70.5%, p = 0.003).ConclusionThe long segment CE on 3D BB contrast-enhanced MR imaging was related to TO of MCA. CE before and after a stenotic or thrombotic lesion is a common finding on 3D BB contrast-enhanced MR imaging.
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