Free-breathing dynamic liver examination using a radial 3D T1-weighted gradient echo sequence with moderate undersampling for patients with limited breath-holding capacity

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• 作者：Benjamin Kaltenbach^a ; ^{benjamin.kaltenbach@kgu.de} ; Andrei Roman^a ; Christoph Polkowski^a ; Tatjana Gruber-Rouh^a ; Ralf W. Bauer^a ; ^b ; Renate Hammerstingl^a ; Thomas J. Vogl^a ; Stephan Zangos^a
• 关键词：Dynamic liver MRI ; Respiratory artifacts ; Radial data sampling ; Undersampled radial acquisition
• 刊名：European Journal of Radiology
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：86
• 期：Complete
• 页码：26-32
• 全文大小：2864 K
• 卷排序：86

文摘

Respiratory artifacts are a frequent problem in abdominal MR imaging. Non-diagnostic examinations could be reduced using free-breathing us-radial-VIBE for dynamic liver examination in challenging patients. Streak artifacts are characteristic for an undersampled radial acquisition but do not affect diagnostic validity.