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High-resolution dif...
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Brockstedt, SaraLund University,Lunds universitet,Medicinsk strålningsfysik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medical Radiation Physics, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
(author)
High-resolution diffusion imaging using phase-corrected segmented echo-planar imaging
- Article/chapterEnglish2000
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LIBRIS-ID:oai:lup.lub.lu.se:1089cc44-e388-4a1f-9c1c-2013d4315d76
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https://lup.lub.lu.se/record/1117059URI
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https://doi.org/10.1016/S0730-725X(00)00159-4DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Diffusion magnetic resonance imaging (MRI) was performed with a high-resolution segmented echo-planar imaging technique, which provided images with substantially less susceptibility artifacts than images obtained with single-shot echo-planar imaging (EPI). Diffusion imaging performed with any multishot pulse sequence is inherently sensitive to motion artifacts and in order to reduce motion artifacts, the presented method utilizes navigator echo phase corrections, performed after a one-dimensional Fourier transform along the frequency-encoding direction. Navigator echo phases were fitted to a straight line prior to phase correction to avoid errors from internal motion. In vivo imaging was performed using electro cardiographic (ECG) triggering. Apparent diffusion coefficient (ADC) maps were calculated on a pixel-by-pixel basis using up to seven diffusion sensitivities, ranging from b = 0 to 1129 x 10(6) s/m(2).
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Moore, J R
(author)
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Thomsen, C
(author)
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Holtås, StigLund University,Lunds universitet,Diagnostisk radiologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Diagnostic Radiology, (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)drad-sho
(author)
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Ståhlberg, FreddyLund University,Lunds universitet,Diagnostisk radiologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medicinsk strålningsfysik, Lund,Institutionen för kliniska vetenskaper, Lund,Diagnostic Radiology, (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Medical Radiation Physics, Lund,Department of Clinical Sciences, Lund(Swepub:lu)rafy-fst
(author)
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Medicinsk strålningsfysik, LundSektion V
(creator_code:org_t)
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In:Magnetic Resonance Imaging18:6, s. 649-6571873-5894
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