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Multidimensional di...
Multidimensional diffusion magnetic resonance imaging for characterization of tissue microstructure in breast cancer patients : A prospective pilot study
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- Naranjo, Isaac Daimiel (författare)
- Memorial Sloan-Kettering Cancer Center,Guy's and St Thomas' NHS Foundation Trust
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- Reymbaut, Alexis (författare)
- Random Walk Imaging AB
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- Brynolfsson, Patrik (författare)
- Random Walk Imaging AB,NONPI Medical AB
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- Gullo, Roberto Lo (författare)
- Memorial Sloan-Kettering Cancer Center
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- Bryskhe, Karin (författare)
- Random Walk Imaging AB
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- Topgaard, Daniel (författare)
- Lund University,Lunds universitet,Fysikalisk kemi,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Physical Chemistry,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Giri, Dilip D. (författare)
- Memorial Sloan-Kettering Cancer Center
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- Reiner, Jeffrey S. (författare)
- Memorial Sloan-Kettering Cancer Center
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- Thakur, Sunitha B. (författare)
- Memorial Sloan-Kettering Cancer Center
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- Pinker-Domenig, Katja (författare)
- Memorial Sloan-Kettering Cancer Center
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(creator_code:org_t)
- 2021-03-31
- 2021
- Engelska.
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Ingår i: Cancers. - : MDPI AG. - 2072-6694. ; 13:7
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://www.mdpi.com...
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https://lup.lub.lu.s...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Diffusion-weighted imaging is a non-invasive functional imaging modality for breast tumor characterization through apparent diffusion coefficients. Yet, it has so far been unable to intuitively inform on tissue microstructure. In this IRB-approved prospective study, we applied novel multidimensional diffusion (MDD) encoding across 16 patients with suspected breast cancer to evaluate its potential for tissue characterization in the clinical setting. Data acquired via custom MDD sequences was processed using an algorithm estimating non-parametric diffusion tensor distributions. The statistical descriptors of these distributions allow us to quantify tissue composition in terms of metrics informing on cell densities, shapes, and orientations. Additionally, signal fractions from specific cell types, such as elongated cells (bin1), isotropic cells (bin2), and free water (bin3), were teased apart. Histogram analysis in cancers and healthy breast tissue showed that cancers exhibited lower mean values of “size” (1.43 ± 0.54 × 10−3 mm2/s) and higher mean values of “shape” (0.47 ± 0.15) corresponding to bin1, while FGT (fibroglandular breast tissue) presented higher mean values of “size” (2.33 ± 0.22 × 10−3 mm2/s) and lower mean values of “shape” (0.27 ± 0.11) corresponding to bin3 (p < 0.001). Invasive carcinomas showed significant differences in mean signal fractions from bin1 (0.64 ± 0.13 vs. 0.4 ± 0.25) and bin3 (0.18 ± 0.08 vs. 0.42 ± 0.21) compared to ductal carcinomas in situ (DCIS) and invasive carcinomas with associated DCIS (p = 0.03). MDD enabled qualitative and quantitative evaluation of the composition of breast cancers and healthy glands.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Nyckelord
- Breast cancer
- Diffusion-weighted imaging
- Magnetic resonance imaging
- Multidimensional diffusion MRI
- Oscillating gradients
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Cancers
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Naranjo, Isaac D ...
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Reymbaut, Alexis
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Brynolfsson, Pat ...
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Gullo, Roberto L ...
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Bryskhe, Karin
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Topgaard, Daniel
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visa fler...
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Giri, Dilip D.
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Reiner, Jeffrey ...
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Thakur, Sunitha ...
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Pinker-Domenig, ...
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- MEDICIN OCH HÄLSOVETENSKAP
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Cancers
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Lunds universitet