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British Journal of Radiology (2005) 78, 338-342
© 2005 British Institute of Radiology
doi: 10.1259/bjr/20260420
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Comparison between 1 T MRI and non-MRI based volumetry in inoculated tumours in mice

B Cornelissen, PhD 1 V Kersemans, MSc 1 L Jans, MD 2 L Staelens, PhD 1 R Oltenfreiter, Pharm 1 T Thonissen, MSc 1 E Achten, MD, PhD 2 and G Slegers, PhD 1

1 Laboratory of Radiopharmacy, Ghent University, Harelbekestraat 72, B-9000 Gent and 2 Department of Radiology and Magnetic Resonance Imaging, Ghent University Hospital, De Pintelaan 185, B-9000 Gent, Belgium



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  		Figure 1. Region growing tumour volumetry on 1 T MR images. (a) Axial slice through the tumour. (b) The same slice with a section of the "grown" tumour volume. As shown, non-enhanced parts of the tumour are not included in the volume.

 


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  		Figure 2. Schematic representation of the home-built water-displacement volumetry system.

 


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  		Figure 3. Bland-Altman plots for all methods compared with water volumetry. (a) Water vs calliper. (b) Water vs manual (region of interest (ROI)-drawing). (c) Water vs semi-automated (region growing).

 




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