Objective
The 3D Color Histogram gives quantitative informations about (changes) of perfusion and vascularisation packed in indices. Aim of the presentation is to illustrate the information gained by the vascularisation and perfusion indices. In addition, to show the reproducibility of the indices according to published studies, preliminary results (transvaginal) obtained in ovarian tumors and preliminary results in phantom measurements to correct the decrease in signal power with depth of insonation using a 3D abdominal probe.
Results
Color Histogram indices are reproducible. Differences of perfusion and vascularisation between benign and malignant ovarian tumors could be observed in a limited number of investigations. The physical component of the decrease in signal power with depth of insonation could be calculated by mathematical algorythms according to first phantom measurements.
Conclusion
The 3D Color Histogram gives new possibilities to analyse neoangiogenesis.
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