All Stories

  1. Discordant and false-negative interpretations at digital breast tomosynthesis in the prospective Oslo Tomosynthesis Screening Trial (OTST) using independent double reading

    Article • European Radiology, November 2023, Springer Science + Business Media

    Mr Bjørn Helge Østerås

  2. Use of ionizing radiation in a Norwegian cohort of children with congenital heart disease: imaging frequency and radiation dose for the Health Effects of Cardiac Fluoroscopy and Modern Radiotherapy in Pediatrics (HARMONIC) study

    Article • Pediatric Radiology, September 2023, Springer Science + Business Media

    Mr Bjørn Helge Østerås

  3. Digital Mammography versus Breast Tomosynthesis: Impact of Breast Density on Diagnostic Performance in Population-based Screening

    Article • Radiology, October 2019, Radiological Society of North America (RSNA)

    Mr Bjørn Helge Østerås

  4. Digital Mammography versus Digital Mammography Plus Tomosynthesis in Breast Cancer Screening: The Oslo Tomosynthesis Screening Trial

    Article • Radiology, April 2019, Radiological Society of North America (RSNA)

    Mr Bjørn Helge Østerås

  5. Quantitative Measurements Versus Receiver Operating Characteristics and Visual Grading Regression in CT Images Reconstructed with Iterative Reconstruction

    Article • Academic Radiology, April 2018, Elsevier

    Mr Bjørn Helge Østerås

  6. Performance of breast cancer screening using digital breast tomosynthesis: results from the prospective population-based Oslo Tomosynthesis Screening Trial

    Article • Breast Cancer Research and Treatment, February 2018, Springer Science + Business Media

    Mr Bjørn Helge Østerås

  7. Average glandular dose in paired digital mammography and digital breast tomosynthesis acquisitions in a population based screening program: effects of measuring breast density, air kerma and beam quality

    Article • Physics in Medicine and Biology, January 2018, Institute of Physics Publishing

    Mr Bjørn Helge Østerås

  8. Can use of adaptive statistical iterative reconstruction reduce radiation dose in unenhanced head CT? An analysis of qualitative and quantitative image quality

    Article • Acta Radiologica Open, August 2016, SAGE Publications

    Mr Bjørn Helge Østerås

  9. Classification of fatty and dense breast parenchyma: comparison of automatic volumetric density measurement and radiologists’ classification and their inter-observer variation

    Article • Acta Radiologica, July 2016, SAGE Publications

    Mr Bjørn Helge Østerås

  10. BI-RADS Density Classification From Areometric and Volumetric Automatic Breast Density Measurements

    Article • Academic Radiology, April 2016, Elsevier

    Mr Bjørn Helge Østerås

  11. Strålingsindusert katarakt

    Article • Tidsskrift for Den norske legeforening, January 2016, Norwegian Medical Association

    Mr Bjørn Helge Østerås

  12. A proposed protocol for acceptance and constancy control of computed tomography systems: A Nordic Association for Clinical Physics (NACP) work group report

    Article • Acta Radiologica, March 2013, SAGE Publications

    Mr Bjørn Helge Østerås

  13. Step back from the patient: Reduction of radiation dose to the operator by the systematic use of an automatic power injector for contrast media in an interventional angiography suite

    Article • Acta Radiologica, April 2012, SAGE Publications

    Mr Bjørn Helge Østerås

  14. Application of a Protocol for Constancy Control of Digital Breast Tomosynthesis Systems: Results and Experiences

    Article • January 2012, Springer Science + Business Media

    Mr Bjørn Helge Østerås

  15. EPR dosimetry of radiotherapy photon beams in inhomogeneous media using alanine films

    Article • Physics in Medicine and Biology, November 2006, Institute of Physics Publishing

    Mr Bjørn Helge Østerås