Bjørn Helge Østerås

  • CT/X-ray Physicist; PhD
 

Publications 2019

Osteras BH, Martinsen ACT, Gullien R, Skaane P (2019)
Digital Mammography versus Breast Tomosynthesis: Impact of Breast Density on Diagnostic Performance in Population-based Screening
Radiology, 293 (1), 60-68
DOI 10.1148/radiol.2019190425

Skaane P, Bandos AL, Niklason LT, Sebuodegard S, Osteras BH, Gullien R, Gur D, Hofvind S (2019)
Digital Mammography versus Digital Mammography Plus Tomosynthesis in Breast Cancer Screening: The Oslo Tomosynthesis Screening Trial
Radiology, 291 (1), 22-29
DOI 10.1148/radiol.2019182394

Publications 2018

Jensen K, Andersen HK, Smedby O, Osteras BH, Aarsnes A, Tingberg A, Fosse E, Martinsen AC (2018)
Quantitative Measurements Versus Receiver Operating Characteristics and Visual Grading Regression in CT Images Reconstructed with Iterative Reconstruction: A Phantom Study
Acad. Radiol., 25 (4), 509-518
DOI 10.1016/j.acra.2017.10.020

Osteras BH, Skaane P, Gullien R, Martinsen ACT (2018)
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
Phys. Med. Biol., 63 (3), 035006
DOI 10.1088/1361-6560/aaa614

Skaane P, Sebuodegard S, Bandos AI, Gur D, Osteras BH, Gullien R, Hofvind S (2018)
Performance of breast cancer screening using digital breast tomosynthesis: results from the prospective population-based Oslo Tomosynthesis Screening Trial
Breast Cancer Res. Treat., 169 (3), 489-496
DOI 10.1007/s10549-018-4705-2

Publications 2016

Osteras BH, Heggen KL, Pedersen HK, Andersen HK, Martinsen ACT (2016)
Can use of adaptive statistical iterative reconstruction reduce radiation dose in unenhanced head CT? An analysis of qualitative and quantitative image quality
Acta Radiol. Open, 5 (8), 2058460116645831
DOI 10.1177/2058460116645831

Osteras BH, Jensen K, Andersen HK, Martinsen ACT (2016)
Radiation induced cataract
Tidsskr. Nor. Laegeforen., 136 (21), 1809-1812
DOI 10.4045/tidsskr.16.0307

Osteras BH, Martinsen ACT, Brandal SHB, Chaudhry KN, Eben E, Haakenaasen U, Falk RS, Skaane P (2016)
BI-RADS Density Classification From Areometric and Volumetric Automatic Breast Density Measurements
Acad. Radiol., 23 (4), 468-478
DOI 10.1016/j.acra.2015.12.016

Osteras BH, Martinsen ACT, Brandal SHB, Chaudhry KN, Eben E, Haakenaasen U, Falk RS, Skaane P (2016)
Classification of fatty and dense breast parenchyma: comparison of automatic volumetric density measurement and radiologists' classification and their inter-observer variation
Acta Radiol., 57 (10), 1178-1185
DOI 10.1177/0284185115626469

Publications 2013

Kuttner S, Bujila R, Kortesniemi M, Andersson H, Kull L, Osteras BH, Thygesen J, Tarp IS (2013)
A proposed protocol for acceptance and constancy control of computed tomography systems: A Nordic Association for Clinical Physics (NACP) work group report
Acta Radiol., 54 (2), 188-198
DOI 10.1258/ar.2012.120254

Publications 2012

Larsen ASF, Osteras BH (2012)
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
Acta Radiol., 53 (3), 330-334
DOI 10.1258/ar.2011.110560

Publications 2006

Osteras BH, Hole EO, Olsen DR, Malinen E (2006)
EPR dosimetry of radiotherapy photon beams in inhomogeneous media using alanine films
Phys. Med. Biol., 51 (24), 6315-6328
DOI 10.1088/0031-9155/51/24/003