Johann B. Dormagen

  • Head of Section for Oncologic and Abdominal Imaging; MD, PhD
  • +47 477 09 097
 

Publications 2024

Viktil E, Hanekamp BA, Nesbakken A, Løberg EM, Sjo OH, Negård A, Dormagen JB, Schulz A (2024)
Early rectal cancer: The diagnostic performance of MRI supplemented with a rectal micro-enema and a modified staging system to identify tumors eligible for local excision
Acta Radiol Open, 13 (5), 20584601241241523
DOI 10.1177/20584601241241523, PubMed 38645439

Viktil E, Hanekamp BA, Nesbakken A, Løberg EM, Sjo OH, Negård A, Dormagen JB, Schulz A (2024)
MRI of early rectal cancer; bisacodyl micro-enema increases submucosal width, reader confidence, and tumor conspicuity
Abdom Radiol (NY) (in press)
DOI 10.1007/s00261-024-04701-1, PubMed 39645641

Publications 2023

Hanekamp BA, Viktil E, Slørdahl KS, Dormagen JB, Kløw NE, Malinen E, Brunborg C, Guren MG, Schulz A (2023)
Magnetic resonance imaging of anal cancer: tumor characteristics and early prediction of treatment outcome
Strahlenther Onkol, 200 (1), 19-27
DOI 10.1007/s00066-023-02114-5, PubMed 37429949

Aas-Eng MK, Young VS, Dormagen JB, Pripp AH, Hudelist G, Lieng M (2023)
Lesion-to-anal-verge distance in rectosigmoid endometriosis on transvaginal sonography vs magnetic resonance imaging: prospective study
Ultrasound Obstet Gynecol, 61 (2), 243-250
DOI 10.1002/uog.26083, PubMed 36178730

Publications 2021

Godt JC, Johansen CK, Martinsen ACT, Schulz A, Brøgger HM, Jensen K, Stray-Pedersen A, Dormagen JB (2021)
Iterative reconstruction improves image quality and reduces radiation dose in trauma protocols; A human cadaver study
Acta Radiol Open, 10 (10), 20584601211055389
DOI 10.1177/20584601211055389, PubMed 34840815

Njølstad T, Young VS, Drolsum A, Dormagen JB, Hofstad B, Schulz A (2021)
Is there need for routine CT colonography after CT-verified uncomplicated diverticulitis of the sigmoid colon?
Eur J Radiol Open, 8, 100341
DOI 10.1016/j.ejro.2021.100341, PubMed 33898653

Publications 2020

Godt JC, Eken T, Schulz A, Øye K, Hagen T, Dormagen JB (2020)
Do we really need the arterial phase on CT in pelvic trauma patients?
Emerg Radiol, 28 (1), 37-46
DOI 10.1007/s10140-020-01820-2, PubMed 32686046

Grut H, Stern NM, Dueland S, Labori KJ, Dormagen JB, Schulz A (2020)
Preoperative 18F-FDG PET/computed tomography predicts survival following resection for colorectal liver metastases
Nucl Med Commun, 41 (9), 916-923
DOI 10.1097/MNM.0000000000001235, PubMed 32796480

Publications 2019

Dormagen JB, Verma N, Fink KR (2019)
Imaging in Oncologic Emergencies
Semin Roentgenol, 55 (2), 95-114
DOI 10.1053/j.ro.2019.11.001, PubMed 32438984

Schulz A, Joelsen-Hatlehol ES, Brudvik KW, Aasand KK, Hanekamp B, Viktil E, Johansen CK, Dormagen JB (2019)
Preoperative detection of colorectal liver metastases: DWI alone or combined with MDCT is no substitute for Gd-EOB-DTPA-enhanced MRI
Acta Radiol, 61 (3), 302-311
DOI 10.1177/0284185119864000, PubMed 31335157

Tellum T, Matic GV, Dormagen JB, Nygaard S, Viktil E, Qvigstad E, Lieng M (2019)
Diagnosing adenomyosis with MRI: a prospective study revisiting the junctional zone thickness cutoff of 12 mm as a diagnostic marker
Eur Radiol, 29 (12), 6971-6981
DOI 10.1007/s00330-019-06308-3, PubMed 31264010

Publications 2018

Godt JC, Eken T, Schulz A, Johansen CK, Aarsnes A, Dormagen JB (2018)
Triple-split-bolus versus single-bolus CT in abdominal trauma patients: a comparative study
Acta Radiol, 59 (9), 1038-1044
DOI 10.1177/0284185117752522, PubMed 29350048

Skogen K, Schulz A, Helseth E, Ganeshan B, Dormagen JB, Server A (2018)
Texture analysis on diffusion tensor imaging: discriminating glioblastoma from single brain metastasis
Acta Radiol, 60 (3), 356-366
DOI 10.1177/0284185118780889, PubMed 29860889

Publications 2016

Skogen K, Schulz A, Dormagen JB, Ganeshan B, Helseth E, Server A (2016)
Diagnostic performance of texture analysis on MRI in grading cerebral gliomas
Eur J Radiol, 85 (4), 824-9
DOI 10.1016/j.ejrad.2016.01.013, PubMed 26971430

Publications 2015

Schulz A, Godt JC, Dormagen JB, Holtedahl JE, Bogsrud TV, Labori KJ, Kløw NE, Bach-Gansmo T (2015)
Respiratory gated PET/CT of the liver: A novel method and its impact on the detection of colorectal liver metastases
Eur J Radiol, 84 (8), 1424-1431
DOI 10.1016/j.ejrad.2015.05.011, PubMed 26044293

Schulz A, Viktil E, Godt JC, Johansen CK, Dormagen JB, Holtedahl JE, Labori KJ, Bach-Gansmo T, Kløw NE (2015)
Diagnostic performance of CT, MRI and PET/CT in patients with suspected colorectal liver metastases: the superiority of MRI
Acta Radiol, 57 (9), 1040-8
DOI 10.1177/0284185115617349, PubMed 26622057

Publications 2014

Gaarder M, Seierstad T, Søreng R, Drolsum A, Begum K, Dormagen JB (2014)
Standardized cine-loop documentation in renal ultrasound facilitates skill-mix between radiographer and radiologist
Acta Radiol, 56 (3), 368-73
DOI 10.1177/0284185114527868, PubMed 24615418

Publications 2013

Dormagen JB, Gaarder M, Drolsum A (2013)
Standardized cine-loop documentation in abdominal ultrasound facilitates offline image interpretation
Acta Radiol, 56 (1), 3-9
DOI 10.1177/0284185113517228, PubMed 24345769

Publications 2012

Schulz A, Dormagen JB, Drolsum A, Bjørnbeth BA, Labori KJ, Kløw NE (2012)
Impact of contrast-enhanced intraoperative ultrasound on operation strategy in case of colorectal liver metastasis
Acta Radiol, 53 (10), 1081-7
DOI 10.1258/ar.2012.120049, PubMed 23081954

Publications 2011

Dormagen J, Meyerdierks O, Gaarder C, Naess P, Sandvik L, Klow NE (2011)
Contrast-enhanced ultrasound of the injured spleen after embolization--comparison with computed tomography
Ultraschall Med, 32 (5), 485-91
DOI 10.1055/s-0029-1246003, PubMed 21294071

Publications 2010

Dormagen JB, Tötterman A, Røise O, Sandvik L, Kløw NE (2010)
Efficacy of plain radiography and computer tomography in localizing the site of pelvic arterial bleeding in trauma patients
Acta Radiol, 51 (1), 107-16
DOI 10.3109/02841850903286703, PubMed 20001476

Skattum J, Titze TL, Dormagen JB, Aaberge IS, Bechensteen AG, Gaarder PI, Gaarder C, Heier HE, Næss PA (2010)
Preserved splenic function after angioembolisation of high grade injury
Injury, 43 (1), 62-6
DOI 10.1016/j.injury.2010.06.028, PubMed 20673894

Publications 2009

Gaarder C, Kroepelien CF, Loekke R, Hestnes M, Dormage JB, Naess PA (2009)
Ultrasound performed by radiologists-confirming the truth about FAST in trauma
J Trauma, 67 (2), 323-7; discussion 328-9
DOI 10.1097/TA.0b013e3181a4ed27, PubMed 19667885

Publications 2008

Dormagen JB, Gaarder C, Sandvik L, Naess PA, Kløw NE (2008)
Intraparenchymal Doppler ultrasound after proximal embolization of the splenic artery in trauma patients
Eur Radiol, 18 (6), 1224-31
DOI 10.1007/s00330-008-0860-x, PubMed 18274758

Publications 2006

Gaarder C, Dormagen JB, Eken T, Skaga NO, Klow NE, Pillgram-Larsen J, Buanes T, Naess PA (2006)
Nonoperative management of splenic injuries: improved results with angioembolization
J Trauma, 61 (1), 192-8
DOI 10.1097/01.ta.0000223466.62589.d9, PubMed 16832270

Tötterman A, Dormagen JB, Madsen JE, Kløw NE, Skaga NO, Røise O (2006)
A protocol for angiographic embolization in exsanguinating pelvic trauma: a report on 31 patients
Acta Orthop, 77 (3), 462-8
DOI 10.1080/17453670610046406, PubMed 16819686

Publications 2005

Hager AM, Kløw NE, Gaarder C, Naess PA, Dormagen JB (2005)
[Pseudoaneurysm in splenic injury]
Tidsskr Nor Laegeforen, 125 (10), 1336-7
PubMed 15909006

Naess PA, Gaarder C, Dormagen JB (2005)
[Treatment of splenic injuries in children]
Tidsskr Nor Laegeforen, 125 (17), 2360-1
PubMed 16151495

Naess PA, Gaarder C, Dormagen JB (2005)
Nonoperative management of pediatric splenic injury with angiographic embolization
J Pediatr Surg, 40 (11), e63-4
DOI 10.1016/j.jpedsurg.2005.07.034, PubMed 16291146

Publications 2002

Borthne AS, Dormagen JB, Gjesdal KI, Storaas T, Lygren I, Geitung JT (2002)
Bowel MR imaging with oral Gastrografin: an experimental study with healthy volunteers
Eur Radiol, 13 (1), 100-6
DOI 10.1007/s00330-002-1528-6, PubMed 12541116