Publication list - Publika - Scientific publications from Oslo University Hospital

Publications by Dag Rune Olsen

134 publications found

Original articles

Arteaga-Marrero N, Mainou-Gomez JF, Brekke Rygh C, Lutay N, Roehrich D, Reed RK, Olsen DR (2018)
Radiation treatment monitoring with DCE-US in CWR22 prostate tumor xenografts
Acta Radiol, 60 (6), 788-797
DOI 10.1177/0284185118798167, PubMed 30231620

Arteaga-Marrero N, Brekke Rygh C, Mainou-Gomez JF, Adamsen TC, Lutay N, Reed RK, Olsen DR (2015)
Radiation treatment monitoring using multimodal functional imaging: PET/CT ((18)F-Fluoromisonidazole & (18)F-Fluorocholine) and DCE-US
J Transl Med, 13, 383
DOI 10.1186/s12967-015-0708-5, PubMed 26682742

Arteaga-Marrero N, Rygh CB, Mainou-Gomez JF, Nylund K, Roehrich D, Heggdal J, Matulaniec P, Gilja OH, Reed RK, Svensson L, Lutay N, Olsen DR (2015)
Multimodal approach to assess tumour vasculature and potential treatment effect with DCE-US and DCE-MRI quantification in CWR22 prostate tumour xenografts
Contrast Media Mol Imaging, 10 (6), 428-37
DOI 10.1002/cmmi.1645, PubMed 26010530

Nilsen LB, Fangberget A, Geier OM, Engebraaten O, Borgen E, Olsen DR, Seierstad T (2014)
Associations between tumor vascularization assessed by in vivo DCE-MRI and the presence of disseminated tumor cells in bone marrow in breast cancer patients at the time of diagnosis
J Magn Reson Imaging, 40 (6), 1382-91
DOI 10.1002/jmri.24502, PubMed 24470360

Mikalsen LT, Dhakal HP, Bruland ØS, Naume B, Borgen E, Nesland JM, Olsen DR (2013)
The clinical impact of mean vessel size and solidity in breast carcinoma patients
PLoS One, 8 (10), e75954
DOI 10.1371/journal.pone.0075954, PubMed 24146798

Røe K, Bratland Å, Vlatkovic L, Ragnum HB, Saelen MG, Olsen DR, Marignol L, Ree AH (2013)
Hypoxic tumor kinase signaling mediated by STAT5A in development of castration-resistant prostate cancer
PLoS One, 8 (5), e63723
DOI 10.1371/journal.pone.0063723, PubMed 23675504

Hole KH, Axcrona K, Lie AK, Vlatkovic L, Geier OM, Brennhovd B, Knutstad K, Olsen DR, Seierstad T (2012)
Routine pelvic MRI using phased-array coil for detection of extraprostatic tumour extension: accuracy and clinical significance
Eur Radiol, 23 (4), 1158-66
DOI 10.1007/s00330-012-2669-x, PubMed 23114883

Røe K, Mikalsen LT, van der Kogel AJ, Bussink J, Lyng H, Ree AH, Marignol L, Olsen DR (2012)
Vascular responses to radiotherapy and androgen-deprivation therapy in experimental prostate cancer
Radiat Oncol, 7, 75
DOI 10.1186/1748-717X-7-75, PubMed 22621752

Eriksen JG, Beavis AW, Coffey MA, Leer JW, Magrini SM, Benstead K, Boelling T, Hjälm-Eriksson M, Kantor G, Maciejewski B, Mezeckis M, Oliveira A, Thirion P, Vitek P, Olsen DR, Eudaldo T, Enghardt W, François P, Garibaldi C, Heijmen B, Josipovic M, Major T, Nikoletopoulos S, Rijnders A, Waligorski M et al. (2012)
The updated ESTRO core curricula 2011 for clinicians, medical physicists and RTTs in radiotherapy/radiation oncology
Radiother Oncol, 103 (1), 103-8
DOI 10.1016/j.radonc.2012.02.007, PubMed 22444243

Hagtvet E, Evjen TJ, Nilssen EA, Olsen DR (2012)
Assessment of liposome biodistribution by non-invasive optical imaging: a feasibility study in tumour-bearing mice
J Nanosci Nanotechnol, 12 (3), 2912-8
DOI 10.1166/jnn.2012.5852, PubMed 22755141

Edin NJ, Olsen DR, Sandvik JA, Malinen E, Pettersen EO (2012)
Low dose hyper-radiosensitivity is eliminated during exposure to cycling hypoxia but returns after reoxygenation
Int J Radiat Biol, 88 (4), 311-9
DOI 10.3109/09553002.2012.646046, PubMed 22132723

Mikalsen LT, Dhakal HP, Bruland OS, Nesland JM, Olsen DR (2011)
Quantification of angiogenesis in breast cancer by automated vessel identification in CD34 immunohistochemical sections
Anticancer Res, 31 (12), 4053-60
PubMed 22199261

Hagtvet E, Røe K, Olsen DR (2011)
Liposomal doxorubicin improves radiotherapy response in hypoxic prostate cancer xenografts
Radiat Oncol, 6, 135
DOI 10.1186/1748-717X-6-135, PubMed 21981945

Johansen S, Reinertsen KV, Knutstad K, Olsen DR, Fosså SD (2011)
Dose distribution in the thyroid gland following radiation therapy of breast cancer--a retrospective study
Radiat Oncol, 6, 68
DOI 10.1186/1748-717X-6-68, PubMed 21651829

Røe K, Kakar M, Seierstad T, Ree AH, Olsen DR (2011)
Early prediction of response to radiotherapy and androgen-deprivation therapy in prostate cancer by repeated functional MRI: a preclinical study
Radiat Oncol, 6, 65
DOI 10.1186/1748-717X-6-65, PubMed 21651782

Martinsen AC, Sæther HK, Hol PK, Olsen DR, Skaane P (2011)
Iterative reconstruction reduces abdominal CT dose
Eur J Radiol, 81 (7), 1483-7
DOI 10.1016/j.ejrad.2011.04.021, PubMed 21543174

Hagtvet E, Evjen TJ, Olsen DR, Fossheim SL, Nilssen EA (2011)
Ultrasound enhanced antitumor activity of liposomal doxorubicin in mice
J Drug Target, 19 (8), 701-8
DOI 10.3109/1061186X.2010.551401, PubMed 21524240

Johansen S, Vikström J, Hjelstuen MH, Mjaaland I, Dybvik KI, Olsen DR (2011)
Dose evaluation and risk estimation for secondary cancer in contralateral breast and a study of correlation between thorax shape and dose to organs at risk following tangentially breast irradiation during deep inspiration breath-hold and free breathing
Acta Oncol, 50 (4), 563-8
DOI 10.3109/0284186X.2010.541933, PubMed 21370938

Fangberget A, Nilsen LB, Hole KH, Holmen MM, Engebraaten O, Naume B, Smith HJ, Olsen DR, Seierstad T (2010)
Neoadjuvant chemotherapy in breast cancer-response evaluation and prediction of response to treatment using dynamic contrast-enhanced and diffusion-weighted MR imaging
Eur Radiol, 21 (6), 1188-99
DOI 10.1007/s00330-010-2020-3, PubMed 21127880

Røe K, Aleksandersen TB, Kristian A, Nilsen LB, Seierstad T, Qu H, Ree AH, Olsen DR, Malinen E (2010)
Preclinical dynamic 18F-FDG PET - tumor characterization and radiotherapy response assessment by kinetic compartment analysis
Acta Oncol, 49 (7), 914-21
DOI 10.3109/0284186X.2010.498831, PubMed 20831478

Røe K, Seierstad T, Kristian A, Mikalsen LT, Mælandsmo GM, van der Kogel AJ, Ree AH, Olsen DR (2010)
Longitudinal magnetic resonance imaging-based assessment of vascular changes and radiation response in androgen-sensitive prostate carcinoma xenografts under androgen-exposed and androgen-deprived conditions
Neoplasia, 12 (10), 818-25
DOI 10.1593/neo.10484, PubMed 20927320

Weber DC, Johanson S, Peguret N, Cozzi L, Olsen DR (2010)
Predicted risk of radiation-induced cancers after involved field and involved node radiotherapy with or without intensity modulation for early-stage hodgkin lymphoma in female patients
Int J Radiat Oncol Biol Phys, 81 (2), 490-7
DOI 10.1016/j.ijrobp.2010.05.035, PubMed 20800383

Martinsen AC, Saether HK, Olsen DR, Wolff PA, Skaane P (2010)
Improved image quality of low-dose thoracic CT examinations with a new postprocessing software
J Appl Clin Med Phys, 11 (3), 3242
DOI 10.1120/jacmp.v11i3.3242, PubMed 20717095

Nilsen L, Fangberget A, Geier O, Olsen DR, Seierstad T (2010)
Diffusion-weighted magnetic resonance imaging for pretreatment prediction and monitoring of treatment response of patients with locally advanced breast cancer undergoing neoadjuvant chemotherapy
Acta Oncol, 49 (3), 354-60
DOI 10.3109/02841861003610184, PubMed 20397769

Søvik A, Malinen E, Olsen DR (2010)
Adapting biological feedback in radiotherapy
Semin Radiat Oncol, 20 (2), 138-46
DOI 10.1016/j.semradonc.2009.11.008, PubMed 20219552

Dale E, Hårsaker V, Kristoffersen DT, Bruland O, Olsen DR (2010)
CT density in lung cancer patients after radiotherapy sensitized by metoclopramide. A subgroup analysis of a randomized trial
Strahlenther Onkol, 186 (3), 163-8
DOI 10.1007/s00066-010-2040-6, PubMed 20165821

Edin NJ, Olsen DR, Stokke T, Sandvik JA, Ebbesen P, Pettersen EO (2009)
Mechanisms of the elimination of low dose hyper-radiosensitivity in T-47D cells by low dose-rate priming
Int J Radiat Biol, 85 (12), 1157-65
DOI 10.3109/09553000903242107, PubMed 19995241

Kakar M, Seierstad T, Røe K, Olsen DR (2009)
Artificial neural networks for prediction of response to chemoradiation in HT29 xenografts
Int J Radiat Oncol Biol Phys, 75 (2), 506-11
DOI 10.1016/j.ijrobp.2009.05.036, PubMed 19735875

Søvik S, Skogmo HK, Andersen EK, Bruland ØS, Olsen DR, Malinen E (2009)
DCEMRI of spontaneous canine tumors during fractionated radiotherapy: a pharmacokinetic analysis
Radiother Oncol, 93 (3), 618-24
DOI 10.1016/j.radonc.2009.08.012, PubMed 19747746

Hellebust TP, Kristensen GB, Olsen DR (2009)
Late effects after radiotherapy for locally advanced cervical cancer: comparison of two brachytherapy schedules and effect of dose delivered weekly
Int J Radiat Oncol Biol Phys, 76 (3), 713-8
DOI 10.1016/j.ijrobp.2009.02.024, PubMed 19427739

Edin NJ, Sandvik JA, Olsen DR, Pettersen EO (2009)
The elimination of low-dose hyper-radiosensitivity by transfer of irradiated-cell conditioned medium depends on dose rate
Radiat Res, 171 (1), 22-32
DOI 10.1667/RR1143.1, PubMed 19138044

Olsen DR (2009)
Nano-medicine in Cancer Therapy
IFMBE PROC, 25 (13), 222

Bhatt CR, Sharan K, Ninan J, Sathian B, Ween B, Olsen DR (2009)
Cancer treatment by radiotherapy in Western Nepal: a hospital-based study
Asian Pac J Cancer Prev, 10 (2), 205-8
PubMed 19537884

Johansen S, Cozzi L, Olsen DR (2009)
A planning comparison of dose patterns in organs at risk and predicted risk for radiation induced malignancy in the contralateral breast following radiation therapy of primary breast using conventional, IMRT and volumetric modulated arc treatment techniques
Acta Oncol, 48 (4), 495-503
DOI 10.1080/02841860802657227, PubMed 19169915

Kakar M, Olsen DR (2008)
Automatic segmentation and recognition of lungs and lesion from CT scans of thorax
Comput Med Imaging Graph, 33 (1), 72-82
DOI 10.1016/j.compmedimag.2008.10.009, PubMed 19059759

Seierstad T, Røe K, Sitter B, Halgunset J, Flatmark K, Ree AH, Olsen DR, Gribbestad IS, Bathen TF (2008)
Principal component analysis for the comparison of metabolic profiles from human rectal cancer biopsies and colorectal xenografts using high-resolution magic angle spinning 1H magnetic resonance spectroscopy
Mol Cancer, 7, 33
DOI 10.1186/1476-4598-7-33, PubMed 18439252

Martinsen AC, Saether HK, Olsen DR, Skaane P, Olerud HM (2008)
Reduction in dose from CT examinations of liver lesions with a new postprocessing filter: a ROC phantom study
Acta Radiol, 49 (3), 303-9
DOI 10.1080/02841850701793769, PubMed 18365819

Vågane R, Danielsen T, Fosså SD, Løkkevik E, Olsen DR (2008)
Late regional density changes of the lung after radiotherapy for breast cancer
Radiother Oncol, 90 (1), 148-52
DOI 10.1016/j.radonc.2007.12.031, PubMed 18262670

Reith A, Olsen DR (2008)
Teleradiology with satellite units - six years experience at the norwegian radium hospital
Stud Health Technol Inform, 134, 209-16
PubMed 18376048

Johansen S, Danielsen T, Olsen DR (2008)
Estimated risk for secondary cancer in the contra-lateral breast following radiation therapy of breast cancer
Acta Oncol, 47 (3), 391-6
DOI 10.1080/02841860701846152, PubMed 18348001

Røe K, Muren LP, Rørvik J, Olsen DR, Dahl O, Bakke A, Malinen E (2008)
Dynamic contrast enhanced magnetic resonance imaging of bladder cancer and implications for biological image-adapted radiotherapy
Acta Oncol, 47 (7), 1257-64
DOI 10.1080/02841860802244174, PubMed 18618299

Vågane R, Bruland ØS, Fosså SD, Olsen DR (2008)
Radiological and functional assessment of radiation-induced pulmonary damage following breast irradiation
Acta Oncol, 47 (2), 248-54
DOI 10.1080/02841860701630267, PubMed 18210300

Søvik A, Ovrum J, Olsen DR, Malinen E (2007)
On the parameter describing the generalised equivalent uniform dose (gEUD) for tumours
Phys Med, 23 (3-4), 100-6
DOI 10.1016/j.ejmp.2007.09.001, PubMed 17962057

Seierstad T, Røe K, Olsen DR (2007)
Noninvasive monitoring of radiation-induced treatment response using proton magnetic resonance spectroscopy and diffusion-weighted magnetic resonance imaging in a colorectal tumor model
Radiother Oncol, 85 (2), 187-94
DOI 10.1016/j.radonc.2007.09.009, PubMed 17937968

Pettersen MN, Aird E, Olsen DR (2007)
Quality assurance of dosimetry and the impact on sample size in randomized clinical trials
Radiother Oncol, 86 (2), 195-9
DOI 10.1016/j.radonc.2007.07.001, PubMed 17727987

Søvik A, Malinen E, Skogmo HK, Bentzen SM, Bruland OS, Olsen DR (2007)
Radiotherapy adapted to spatial and temporal variability in tumor hypoxia
Int J Radiat Oncol Biol Phys, 68 (5), 1496-504
DOI 10.1016/j.ijrobp.2007.04.027, PubMed 17674980

Hellebust TP, Tanderup K, Bergstrand ES, Knutsen BH, Røislien J, Olsen DR (2007)
Reconstruction of a ring applicator using CT imaging: impact of the reconstruction method and applicator orientation
Phys Med Biol, 52 (16), 4893-904
DOI 10.1088/0031-9155/52/16/012, PubMed 17671342

Seierstad T, Folkvord S, Røe K, Flatmark K, Skretting A, Olsen DR (2007)
Early changes in apparent diffusion coefficient predict the quantitative antitumoral activity of capecitabine, oxaliplatin, and irradiation in HT29 xenografts in athymic nude mice
Neoplasia, 9 (5), 392-400
DOI 10.1593/neo.07154, PubMed 17534444

Sastre-Padro M, Welleweerd J, Malinen E, Eilertsen K, Olsen DR, van der Heide UA (2007)
Consequences of leaf calibration errors on IMRT delivery
Phys Med Biol, 52 (4), 1147-56
DOI 10.1088/0031-9155/52/4/019, PubMed 17264376

Hanisch PH, Furre T, Olsen DR, Pettersen EO (2007)
Radiobiological responses for two cell lines following continuous low dose-rate (CLDR) and pulsed dose rate (PDR) brachytherapy
Acta Oncol, 46 (5), 602-11
DOI 10.1080/02841860600978981, PubMed 17562436

Søvik A, Malinen E, Bruland ØS, Bentzen SM, Olsen DR (2006)
Optimization of tumour control probability in hypoxic tumours by radiation dose redistribution: a modelling study
Phys Med Biol, 52 (2), 499-513
DOI 10.1088/0031-9155/52/2/013, PubMed 17202629

Osterås 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), 6315-28
DOI 10.1088/0031-9155/51/24/003, PubMed 17148820

Tanderup K, Hellebust TP, Honoré HB, Nielsen SK, Olsen DR, Grau C, Lindegaard JC (2006)
Dose optimisation in single plane interstitial brachytherapy
Radiother Oncol, 81 (1), 105-11
DOI 10.1016/j.radonc.2006.08.021, PubMed 17005279

Malinen E, Søvik A, Hristov D, Bruland ØS, Olsen DR (2006)
Adapting radiotherapy to hypoxic tumours
Phys Med Biol, 51 (19), 4903-21
DOI 10.1088/0031-9155/51/19/012, PubMed 16985278

Johansen S, Olsen DR, Danielsen T, Malinen E (2006)
Contralateral breast doses following radiotherapy of the breast and regional lymph nodes: Measurements and treatment planning calculations
Radiother Oncol, 82 (3), 332-6
DOI 10.1016/j.radonc.2006.08.018, PubMed 16962677

Dahle J, Borrebaek J, Melhus KB, Bruland OS, Salberg G, Olsen DR, Larsen RH (2006)
Initial evaluation of (227)Th-p-benzyl-DOTA-rituximab for low-dose rate alpha-particle radioimmunotherapy
Nucl Med Biol, 33 (2), 271-9
DOI 10.1016/j.nucmedbio.2005.12.004, PubMed 16546683

Vågane R, Olsen DR (2006)
Analysis of normal tissue complication probability of the lung using a reliability model
Acta Oncol, 45 (5), 610-7
DOI 10.1080/02841860600658245, PubMed 16864177

Brurberg KG, Skogmo HK, Graff BA, Olsen DR, Rofstad EK (2005)
Fluctuations in pO2 in poorly and well-oxygenated spontaneous canine tumors before and during fractionated radiation therapy
Radiother Oncol, 77 (2), 220-6
DOI 10.1016/j.radonc.2005.09.009, PubMed 16257074

Kakar M, Nyström H, Aarup LR, Nøttrup TJ, Olsen DR (2005)
Respiratory motion prediction by using the adaptive neuro fuzzy inference system (ANFIS)
Phys Med Biol, 50 (19), 4721-8
DOI 10.1088/0031-9155/50/19/020, PubMed 16177500

Ween B, Kristoffersen DT, Hamilton GA, Olsen DR (2005)
Image quality preferences among radiographers and radiologists. A conjoint analysis
Radiography, 11 (3), 191-197
DOI 10.1016/j.radi.2005.03.002

Dale E, Hellebust TP, Bruland ØS, Olsen DR (2005)
Comparative analyses of the dynamic properties of the bladder wall studied by repetitive pelvic CT scans of patients and cryo-sections of cadavers
Br J Radiol, 78 (930), 528-32
DOI 10.1259/bjr/82990907, PubMed 15900058

Norum J, Bruland ØS, Spanne O, Bergmo T, Green T, Olsen DR, Olsen JH, Sjåeng EE, Burkow T (2005)
Telemedicine in radiotherapy: a study exploring remote treatment planning, supervision and economics
J Telemed Telecare, 11 (5), 245-50
DOI 10.1258/1357633054471858, PubMed 16035967

Vestad TA, Malinen E, Olsen DR, Hole EO, Sagstuen E (2004)
Electron paramagnetic resonance (EPR) dosimetry using lithium formate in radiotherapy: comparison with thermoluminescence (TL) dosimetry using lithium fluoride rods
Phys Med Biol, 49 (20), 4701-15
DOI 10.1088/0031-9155/49/20/003, PubMed 15566169

Brurberg KG, Graff BA, Olsen DR, Rofstad EK (2004)
Tumor-line specific pO(2) fluctuations in human melanoma xenografts
Int J Radiat Oncol Biol Phys, 58 (2), 403-9
DOI 10.1016/j.ijrobp.2003.09.049, PubMed 14751509

Fosså SD, Lilleby W, Waehre H, Berner A, Torlakovic G, Paus E, Olsen DR (2003)
Definitive radiotherapy of prostate cancer: the possible role of staging lymphadenectomy
Int J Radiat Oncol Biol Phys, 57 (1), 33-41
DOI 10.1016/s0360-3016(03)00428-0, PubMed 12909213

Dueland S, Guren MG, Olsen DR, Poulsen JP, Magne Tveit K (2003)
Radiation therapy induced changes in male sex hormone levels in rectal cancer patients
Radiother Oncol, 68 (3), 249-53
DOI 10.1016/s0167-8140(03)00120-8, PubMed 13129632

Dale E, Hellebust TP, Bruland ØS, Olsen DR (2003)
Comparative analyses of the dynamic properties of the rectum studied by cryo-sections of human cadavers and pelvic CT scans of patients
Br J Radiol, 76 (902), 104-8
DOI 10.1259/bjr/75640835, PubMed 12642278

Reith A, Olsen DR, Bruland O, Bernder A, Risberg B (2003)
Information technology in action: the example of Norway
Stud Health Technol Inform, 96, 186-9
PubMed 15061543

Lilleby W, Dale E, Olsen DR, Gude U, Fosså SD (2003)
Changes in treatment volume of hormonally treated and untreated cancerous prostate and its impact on rectal dose
Acta Oncol, 42 (1), 10-4
DOI 10.1080/0891060310002177, PubMed 12665325

Johannessen HO, Dale E, Hellebust TP, Olsen DR, Nesland JM, Giercksky KE (2002)
Modeling volume effects of experimental brachytherapy in the rat rectum: uncovering the limitations of a radiobiologic concept
Int J Radiat Oncol Biol Phys, 53 (4), 1014-22
DOI 10.1016/s0360-3016(02)02835-3, PubMed 12095571

Evensen JF, Bjordal K, Knutsen BH, Olsen DR, Støre G, Tausjø JE (2002)
Side effects and quality of life after inadvertent radiation overdosage in brachytherapy of head-and-neck cancer
Int J Radiat Oncol Biol Phys, 52 (4), 944-52
DOI 10.1016/s0360-3016(01)02726-2, PubMed 11958887

Fosså SD, Aass N, Winderen M, Börmer OP, Olsen DR (2002)
Long-term renal function after treatment for malignant germ-cell tumours
Ann Oncol, 13 (2), 222-8
DOI 10.1093/annonc/mdf048, PubMed 11885998

Wiig JN, Tveit KM, Poulsen JP, Olsen DR, Giercksky KE (2002)
Preoperative irradiation and surgery for recurrent rectal cancer. Will intraoperative radiotherapy (IORT) be of additional benefit? A prospective study
Radiother Oncol, 62 (2), 207-13
DOI 10.1016/s0167-8140(01)00486-8, PubMed 11937248

Røtterud R, Pettersen EO, Berner A, Holm R, Olsen DR, Fosså SD (2002)
Cell cycle inhibitors and outcome after radiotherapy in bladder cancer patients
Acta Oncol, 41 (5), 463-70
DOI 10.1080/028418602320405069, PubMed 12442923

Hellebust TP, Dale E, Skjønsberg A, Olsen DR (2001)
Inter fraction variations in rectum and bladder volumes and dose distributions during high dose rate brachytherapy treatment of the uterine cervix investigated by repetitive CT-examinations
Radiother Oncol, 60 (3), 273-80
DOI 10.1016/s0167-8140(01)00386-3, PubMed 11514007

Tanum G, Olsen DR, Grøttum K, Mjåland S, Kvaløy S, Jetne V, Kvinnsland S (2001)
[The radiotherapy satellite in Kristiansand--a model for Norwegian regional hospitals?]
Tidsskr Nor Laegeforen, 121 (18), 2179-82
PubMed 11571996

Olsen DR, Leigh SD, Chang R, McMullin H, Ong W, Tai E, Chisholm G, Birk DE, Berg RA, Hitzeman RA, Toman PD (2001)
Production of human type I collagen in yeast reveals unexpected new insights into the molecular assembly of collagen trimers
J Biol Chem, 276 (26), 24038-43
DOI 10.1074/jbc.M101613200, PubMed 11279215

Olberg S, Skretting A, Bruland O, Olsen DR (2000)
Dose distribution measurements by MRI of a phantom containing lung tissue equivalent compartments made of ferrous sulphate gel
Phys Med Biol, 45 (10), 2761-70
DOI 10.1088/0031-9155/45/10/303, PubMed 11049170

Aurlien E, Larsen RH, Akabani G, Olsen DR, Zalutsky MR, Bruland OS (2000)
Exposure of human osteosarcoma and bone marrow cells to tumour-targeted alpha-particles and gamma-irradiation: analysis of cell survival and microdosimetry
Int J Radiat Biol, 76 (8), 1129-41
DOI 10.1080/09553000050111604, PubMed 10947126

Dale E, Hellebust TP, Skjønsberg A, Høgberg T, Olsen DR (2000)
Modeling normal tissue complication probability from repetitive computed tomography scans during fractionated high-dose-rate brachytherapy and external beam radiotherapy of the uterine cervix
Int J Radiat Oncol Biol Phys, 47 (4), 963-71
DOI 10.1016/s0360-3016(00)00510-1, PubMed 10863066

Wiig JN, Poulsen JP, Tveit KM, Olsen DR, Giercksky KE (2000)
Intra-operative irradiation (IORT) for primary advanced and recurrent rectal cancer. a need for randomised studies
Eur J Cancer, 36 (7), 868-74
DOI 10.1016/s0959-8049(00)00015-0, PubMed 10785591

Olsen DR, Bruland S, Davis BJ (2000)
Telemedicine in radiotherapy treatment planning: requirements and applications
Radiother Oncol, 54 (3), 255-9
DOI 10.1016/s0167-8140(99)00185-1, PubMed 10738084

Olsen DR, Rofstad EK (1999)
Monitoring of tumor reoxygenation following irradiation by 31P magnetic resonance spectroscopy: an experimental study of human melanoma xenografts
Radiother Oncol, 52 (3), 261-7
DOI 10.1016/s0167-8140(99)00075-4, PubMed 10580874

Olsen DR, Singstad TE, Rofstad EK (1999)
Effects of hyperthermia on bioenergetic status and phosphorus T1S in human melanoma xenografts monitored by 31P-MRS
Magn Reson Imaging, 17 (7), 1049-56
DOI 10.1016/s0730-725x(99)00032-6, PubMed 10463656

Furre T, Bergstrand ES, Pedersen E, Koritzinsky M, Olsen DR, Hole EO, Pettersen EO (1999)
Measurement of dose rate at the interface of cell culture medium and glass dishes by means of ESR dosimetry using thin films of alanine
Radiat Res, 152 (1), 76-82
DOI 10.2307/3580052, PubMed 10381844

Furre T, Koritzinsky M, Olsen DR, Pettersen EO (1999)
Inverse dose-rate effect due to pre-mitotic accumulation during continuous low dose-rate irradiation of cervix carcinoma cells
Int J Radiat Biol, 75 (6), 699-707
DOI 10.1080/095530099140032, PubMed 10404999

Lilleby W, Fosså SD, Waehre HR, Olsen DR (1999)
Long-term morbidity and quality of life in patients with localized prostate cancer undergoing definitive radiotherapy or radical prostatectomy
Int J Radiat Oncol Biol Phys, 43 (4), 735-43
DOI 10.1016/s0360-3016(98)00475-1, PubMed 10098428

Dale E, Olsen DR, Fosså SD (1999)
Normal tissue complication probabilities correlated with late effects in the rectum after prostate conformal radiotherapy
Int J Radiat Oncol Biol Phys, 43 (2), 385-91
DOI 10.1016/s0360-3016(98)00400-3, PubMed 10030266

Tveit KM, Wiig JN, Olsen DR, Storaas A, Poulsen JP, Giercksky KE (1997)
Combined modality treatment including intraoperative radiotherapy in locally advanced and recurrent rectal cancer
Radiother Oncol, 44 (3), 277-82
DOI 10.1016/s0167-8140(97)00070-4, PubMed 9380828

Pedersen TV, Olsen DR, Skretting A (1997)
Measurement of the ferric diffusion coefficient in agarose and gelatine gels by utilization of the evolution of a radiation induced edge as reflected in relaxation rate images
Phys Med Biol, 42 (8), 1575-85
DOI 10.1088/0031-9155/42/8/008, PubMed 9279907

Knutsen BH, Skretting A, Hellebust TP, Olsen DR (1997)
Determination of 3D dose distribution from intracavitary brachytherapy of cervical cancer by MRI of irradiated ferrous sulphate gel
Radiother Oncol, 43 (2), 219-27
DOI 10.1016/s0167-8140(97)01925-7, PubMed 9192970

Jacobsen KD, Olsen DR, Fosså K, Fosså SD (1997)
External beam abdominal radiotherapy in patients with seminoma stage I: field type, testicular dose, and spermatogenesis
Int J Radiat Oncol Biol Phys, 38 (1), 95-102
DOI 10.1016/s0360-3016(96)00597-4, PubMed 9212009

Olsen DR, Petersen SB, Rofstad EK (1997)
Radiation-induced changes in phosphorus T1 values in human melanoma xenografts studied by 31P-MRS
Magn Reson Imaging, 15 (10), 1187-92
DOI 10.1016/s0730-725x(97)00181-1, PubMed 9408139

Tveit KM, Wiig JN, Olsen DR, Storaas A, Poulsen JP, Giercksky KE (1997)
Combined modality treatment including IORT in locally advanced and recurrent rectal cancer: results from a prospective Norwegian study
Front Radiat Ther Oncol, 31, 221-3
DOI 10.1159/000061129, PubMed 9263827

Olsen DR, Backaert L, Evensen JF (1997)
Abutting orthogonal electron and photon beams in the head and neck region using asymmetrical photon beam edges
Acta Oncol, 36 (6), 585-91
DOI 10.3109/02841869709001320, PubMed 9408148

Olsen DR (1997)
Implications of radiation induced apoptosis on calculated radial cell inactivation for a linear 192Ir source
Acta Oncol, 36 (3), 261-6
DOI 10.3109/02841869709001260, PubMed 9208894

Dale E, Olsen DR (1997)
Specification of the dose to organs at risk in external beam radiotherapy
Acta Oncol, 36 (2), 129-35
DOI 10.3109/02841869709109220, PubMed 9140428

Rye PD, Norum L, Olsen DR, Garman-Vik S, Kaul S, Fodstad O (1996)
Brain metastasis model in athymic nude mice using a novel MUC1-secreting human breast-cancer cell line, MA11
Int J Cancer, 68 (5), 682-7
DOI 10.1002/(SICI)1097-0215(19961127)68:5<682::AID-IJC20>3.0.CO;2-2, PubMed 8938153

Johannessen HO, Olsen DR, Giercksky KE (1996)
Development of an experimental model for high dose rate endocavitary irradiation of the rat rectum
Br J Radiol, 69 (826), 946-52
DOI 10.1259/0007-1285-69-826-946, PubMed 9038531

Bengtsson M, Furre T, Rødal J, Skretting A, Olsen DR (1996)
Measurement of dynamic wedge angles and beam profiles by means of MRI ferrous sulphate gel dosimetry
Phys Med Biol, 41 (2), 269-77
DOI 10.1088/0031-9155/41/2/005, PubMed 8746109

Olsen DR (1995)
Calculation of the biological effect of fractionated radiotherapy: the importance of radiation-induced apoptosis
Br J Radiol, 68 (815), 1230-6
DOI 10.1259/0007-1285-68-815-1230, PubMed 8542231

Lyng H, Olsen DR, Petersen SB, Rofstad EK (1995)
31P NMR spectroscopy studies of phospholipid metabolism in human melanoma xenograft lines differing in rate of tumour cell proliferation
NMR Biomed, 8 (2), 65-71
DOI 10.1002/nbm.1940080204, PubMed 7547188

Olsen DR, Lyng H, Petersen SB, Rofstad EK (1995)
Effect of melanin on phosphorus T1S in human melanoma xenografts studied by 31P MRS
Magn Reson Imaging, 13 (6), 847-52
DOI 10.1016/0730-725x(95)00054-k, PubMed 8544656

Olsen DR, Paulsen TH, Heyerdal H, Tveit KM, Wiig JN, Giercksky KE, Storaas A (1995)
Field homogeneity of bevelled intraoperative electron beam cones: the influence of virtual focus surface distance
Med Dosim, 20 (2), 105-9
DOI 10.1016/0958-3947(95)00011-k, PubMed 7632342

Pedersen K, Andersen TD, Rødal J, Olsen DR (1995)
Sensitivity and stability of LiF thermoluminescence dosimeters
Med Dosim, 20 (4), 263-7
DOI 10.1016/0958-3947(95)02004-7, PubMed 8703321

Olsen DR, Lyng H, Petersen S, Rofstad EK (1995)
Spin-lattice relaxation time of inorganic phosphate in human tumor xenografts measured in vivo by 31P-magnetic resonance spectroscopy. Influence of oxygen tension
Acta Oncol, 34 (3), 339-43
DOI 10.3109/02841869509093986, PubMed 7779420

Olsen DR, Kambestad BK, Kristoffersen DT (1994)
Calculation of radiation induced complication probabilities for brain, liver and kidney, and the use of a reliability model to estimate critical volume fractions
Br J Radiol, 67 (804), 1218-25
DOI 10.1259/0007-1285-67-804-1218, PubMed 7874421

Olsen DR, Hellesnes J (1994)
Absorbed dose distribution measurements in brachytherapy using ferrous sulphate gel and magnetic resonance imaging
Br J Radiol, 67 (803), 1121-6
DOI 10.1259/0007-1285-67-803-1121, PubMed 7820406

Olsen DR, Lyng H, Southon TE, Rofstad EK (1994)
31P-nuclear magnetic resonance spectroscopy in vivo of four human melanoma xenograft lines: spin-lattice relaxation times
Radiother Oncol, 32 (1), 54-62
DOI 10.1016/0167-8140(94)90449-9, PubMed 7938679

Rofstad EK, Lyng H, Olsen DR, Steinsland E (1994)
Non-invasive assessment of tumor oxygenation status by integrated 31P NMR spectroscopy and 1H NMR imaging
Adv Exp Med Biol, 345, 531-8
DOI 10.1007/978-1-4615-2468-7_71, PubMed 8079755

Lyng H, Olsen DR, Southon TE, Rofstad EK (1993)
31P-nuclear magnetic resonance spectroscopy in vivo of six human melanoma xenograft lines: tumour bioenergetic status and blood supply
Br J Cancer, 68 (6), 1061-70
DOI 10.1038/bjc.1993.483, PubMed 8260356

Fosså SD, Waehre H, Aass N, Jacobsen AB, Olsen DR, Ous S (1993)
Bladder cancer definitive radiation therapy of muscle-invasive bladder cancer. A retrospective analysis of 317 patients
Cancer, 72 (10), 3036-43
DOI 10.1002/1097-0142(19931115)72:10<3036::aid-cncr2820721028>3.0.co;2-b, PubMed 8221571

Ksander GA, Gerhardt CO, Olsen DR (1993)
Exogenous transforming growth factor-beta(2) enhances connective tissue formation in transforming growth factor-beta(1)-deficient, healing-impaired dermal wounds in mice
Wound Repair Regen, 1 (3), 137-48
DOI 10.1046/j.1524-475X.1993.10303.x, PubMed 17163882

Mayhew TM, Olsen DR (1991)
Magnetic resonance imaging (MRI) and model-free estimates of brain volume determined using the Cavalieri principle
J Anat, 178, 133-44
PubMed 1810922

Review articles

Gudjónsdóttir J, Ween B, Olsen DR (2010)
Optimal use of AEC in CT: a literature review
Radiol Technol, 81 (4), 309-17
PubMed 20207787

Søvik A, Malinen E, Olsen DR (2009)
Strategies for biologic image-guided dose escalation: a review
Int J Radiat Oncol Biol Phys, 73 (3), 650-8
DOI 10.1016/j.ijrobp.2008.11.001, PubMed 19215819

Olsen DR, Bruland OS, Frykholm G, Norderhaug IN (2007)
Proton therapy - a systematic review of clinical effectiveness
Radiother Oncol, 83 (2), 123-32
DOI 10.1016/j.radonc.2007.03.001, PubMed 17499374

Norderhaug I, Dahl O, Høisaeter PA, Heikkilä R, Klepp O, Olsen DR, Kristiansen IS, Waehre H, Bjerklund Johansen TE (2003)
Brachytherapy for prostate cancer: a systematic review of clinical and cost effectiveness
Eur Urol, 44 (1), 40-6
DOI 10.1016/s0302-2838(03)00187-8, PubMed 12814673

Norderhaug I, Johansen TB, Dahl O, Høisaeter PA, Heikkilä R, Klepp O, Olsen DR, Kristiansen IS, Waehre H (2002)
[Brachytherapy in prostatic cancer]
Tidsskr Nor Laegeforen, 122 (29), 2795-8
PubMed 12523149

Braendengen M, Bruland OS, Olsen DR (2000)
[Radiotherapy of skeletal metastases]
Tidsskr Nor Laegeforen, 120 (16), 1870-4
PubMed 10925615