Detail

Keywords

Diagnostic Imaging; Mammography; Medical Physics; Phantoms, Imaging

Research group(s)

• Conventional Imaging Physics and Image Processing
  Members:
  Christian Kollmann
  Elisabeth Salomon

Research interests

My research interest is in quality assurance of medical X-ray imaging systems. In the early years of my research career, I studied the behavior of semiconductor dosimeters in the IAEA dosimetry laboratory. There I performed calibrations under various experimental calibration setups on dosimetry devices such as semiconductor-based X-ray multimeters used for quality control measurements on mammography X-ray systems. I then addressed image quality assurance in tomosynthesis. Starting with a prototype phantom, I developed and validated a breast phantom for quality control of the entire imaging process from X-ray projection settings to reconstructed slides. This included testing and selecting materials suitable for use in phantoms and developing a manufacturing process. More recently, I have also been involved in the design and optimization of phantoms for quality assurance of medical ultrasound equipment.

Techniques, methods & infrastructure

Anthropomorphic breast phantom for quality control in digital breast tomosynthesis. Evaluation of image acquisition with human readout (4 alternative forced choice study).

Selected publications

1. Salomon, E. et al. (2020) ‘Performance of semiconductor dosimeters with a range of radiation qualities used for mammography: A calibration laboratory study’, Medical Physics, 47(3), pp. 1372–1378. Available at: http://dx.doi.org/10.1002/mp.14005.
2. Salomon, E. et al. (2019) ‘Comparison of a personalized breast dosimetry method with standard dosimetry protocols’, Scientific Reports, 9(1). Available at: http://dx.doi.org/10.1038/s41598-019-42144-7.