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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한자기공명의과학회 Investigative Magnetic Resonance Imaging Investigative Magnetic Resonance Imaging 제25권 제4호
- 발행연도
- 2021.12
- 수록면
- 323 - 331 (9page)
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초록· 키워드
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Purpose: To investigate the diagnostic criteria of T1-weighted imaging (T1W) and time-of-flight (TOF) imaging for detecting intraplaque hemorrhage (IPH) of a vertebrobasilar artery (VBA) compared with simultaneous non-contrast angiography and intraplaque hemorrhage (SNAP) imaging.
Materials and Methods: Eighty-seven patients with VBA atherosclerosis who underwent high resolution MR imaging for evaluation of VBA plaque were reviewed.
The presence and location of VBA plaque and IPH on SNAP were determined. The signal intensity (SI) of the VBA plaque on T1W and TOF imaging was manually measured and the SI ratio against adjacent muscles was calculated. The receiver operating characteristic (ROC) curve was used to compare the diagnostic accuracy for detecting VBA IPH.
Results: Of 87 patients, 67 had IPH and 20 had no IPH on SNAP. The SI ratio between VBA IPH and temporalis muscle on T1W was significantly higher than that in the no IPH group (235.9 ± 16.8 vs. 120.0 ± 5.1, P < 0.001). The SI ratio between IPH and temporalis muscle on TOF was also significantly higher than that in the no-IPH group (236.8 ± 13.3 vs. 112.8 ± 7.4, P < 0.001). Diagnostic efficacies of SI ratios on TOF and TIW were excellent (AUC: 0.976 on TOF and 0.964 on T1W; cutoff value: 136.7% for TOF imaging and 135.1% for T1W imaging).
Conclusion: Compared with SNAP, cutoff levels of the SI ratio between VBA plaque and temporalis muscle on T1W and TOF imaging for detecting IPH were approximately 1.35 times.
목차
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참고문헌 (6)
참고문헌 신청
Yamada N / 2007 / Association between signal hyperintensity on T1-weighted MR imaging of carotid plaques and ipsilateral ischemic events / AJNR Am J Neuroradiol 28:287~292
Mendes J / 2013 / Reduced blood flow artifact in intraplaque hemorrhage imaging using cineMPRAGE / Magn Reson Med 69:1276~1284
Yu JH / 2015 / Association of intraplaque hemorrhage and acute infarction in patients with basilar artery plaque / Stroke 46:2768~2772
Shi Z / 2018 / Identification of highrisk plaque features in intracranial atherosclerosis : initial experience using a radiomic approach / Eur Radiol 28:3912~3921
Wang J / 2016 / In vivo validation of simultaneous non-contrast angiography and intraplaque hemorrhage(SNAP)magnetic resonance angiography : an intracranial artery study / PLoS One 11:e0149130
Mendes J / 2013 / Reduced blood flow artifact in intraplaque hemorrhage imaging using cineMPRAGE / Magn Reson Med 69:1276~1284
Yu JH / 2015 / Association of intraplaque hemorrhage and acute infarction in patients with basilar artery plaque / Stroke 46:2768~2772
Shi Z / 2018 / Identification of highrisk plaque features in intracranial atherosclerosis : initial experience using a radiomic approach / Eur Radiol 28:3912~3921
Wang J / 2016 / In vivo validation of simultaneous non-contrast angiography and intraplaque hemorrhage(SNAP)magnetic resonance angiography : an intracranial artery study / PLoS One 11:e0149130
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