Please use this identifier to cite or link to this item: http://hdl.handle.net/2381/32867
Title: A simple, reproducible method for monitoring the treatment of tumours using dynamic contrast-enhanced MR imaging
Authors: Morgan, Bruno
Utting, J. F.
Higginson, A.
Thomas, A. L.
Steward, William Patrick P.
Horsfield, Mark Andrew
First Published: 2-May-2006
Publisher: Cancer Research UK, Nature Publishing Group
Citation: British Journal of Cancer, 2006, 94 (10), pp. 1420-1427
Abstract: Dynamic contrast-enhanced MR imaging (DCE-MRI) may act as a biomarker for successful cancer therapy. Simple, reproducible techniques may widen this application. This paper demonstrates a single slice imaging technique. The image acquisition is performed in less than 500 ms making it relatively insensitive to respiratory motion. Data from phantom studies and a reproducibility study in solid human tumours are presented. The reproducibility study showed a coefficient of variation (CoV) of 19.1% for K(trans) and 15.8% for the initial area under the contrast enhancement curve (IAUC). This was improved to 16 and 13.9% if tumours of diameter less than 3 cm were excluded. The individual repeatability (the range within which individual measurements are expected to fall) was 30.6% for K(trans) and 26.5% for IAUC for tumours greater than 3 cm diameter. This approach to DCE-MRI image acquisition can be performed with standard clinical scanners, and data analysis is straightforward. For treatment trials with 10 patients in a cohort, the CoV implies that the method would be sensitive to a treatment effect of greater than 18%. The individual repeatability is well inside the 40% change shown to be important in clinical studies using this DCE-MRI technique.
DOI Link: 10.1038/sj.bjc.6603140
ISSN: 0007-0920
eISSN: 1532-1827
Links: http://www.nature.com/bjc/journal/v94/n10/full/6603140a.html#aff1
http://hdl.handle.net/2381/32867
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © the authors, 2006. From twelve months after its original publication, this work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
Appears in Collections:Published Articles, Dept. of Cancer Studies and Molecular Medicine

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