Abstract
Contrast-enhanced magnetic resonance imaging (MRI) has shown variation in the stroma with distance from the tumor and this correlates with histological microvessel density. To date, however, conventional diffusion MRI has demonstrated limited sensitivity to these changes. This study modelled the diffusion signal by intravoxel incoherent motion (IVIM) to obtain parameters related to the vasculature and tissue diffusion. This revealed a small vascular contribution to the signal in tumor and peri-tumoral stroma within 8 mm. Monoexponential fitting performed worse than the IVIM model in tumor and stroma within 8 mm, but was sufficient in more distal stromal regions where lower microvessel density is expected. Modelling diffusion MRI by IVIM provided a measure of vascularity that may complement information from DCE-MRI and yielded additional information about diffusion in the extravascular tissue.
Original language | English |
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Title of host publication | Breast Imaging |
Subtitle of host publication | 12th International Workshop, IWDM 2014, Gifu City, Japan, June 29 – July 2, 2014. Proceedings |
Editors | Hiroshi Fujita, Takeshi Hara, Chisako Muramatsu |
Publisher | Springer International Publishing |
Pages | 380-386 |
Number of pages | 7 |
ISBN (Electronic) | 9783319078878 |
ISBN (Print) | 9783319078861 |
DOIs | |
Publication status | Published - 2014 |
Event | 12th International Workshop on Breast Imaging - Juroku Plaza, Gifu City, Japan Duration: 29 Jun 2014 → 2 Jul 2014 http://www.fjt.info.gifu-u.ac.jp/iwdm2014/ |
Publication series
Name | Lecture notes in computer science |
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Volume | 8539 |
ISSN (Print) | 0302-9743 |
ISSN (Electronic) | 1611-3349 |
Workshop
Workshop | 12th International Workshop on Breast Imaging |
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Abbreviated title | IWDM 2014 |
Country/Territory | Japan |
City | Gifu City |
Period | 29/06/14 → 2/07/14 |
Internet address |
Keywords
- breast cancer
- diffusion MRI
- IVIM
- modelling
- stroma
- vascularity
ASJC Scopus subject areas
- General Computer Science
- Theoretical Computer Science