Tuesday, October 23, 2012

Phase Contrast Tomography for 3D Image of Breast cancer

Conventionally, breast cancer imaging is done by mammography that gives a 2D view. CT of breast can give good quality image but requires a larger dose of x-rays.
To get good 3D image with less radiation, Miao's international colleagues in collaboration with the European Synchrotron Radiation Facility in France and Germany's Ludwig Maximilians University, used a special detection method known as phase contrast tomography to X-ray a human breast from multiple angles.
They then applied equally sloped tomography, or EST -- a breakthrough computing algorithm developed by Miao's UCLA team that enables high-quality image-reconstruction -- to 512 of these images to produce 3-D images of the breast at a higher resolution than ever before. The process required less radiation than a mammogram.
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