Education and Training

Medical School

MD - Oregon Health & Science University, Portland, OR


Transitional - lntermountain Medical Center, Salt Lake City, UT


Diagnostic Radiology - Oregon Health & Science University, Portland, OR (chief resident)


Research Fellow - National Institutes of Health, New York City, NY

Pediatric Radiology - Boston Children's Hospital, Boston, MA

Board Certification


Titles and Academic Titles

Attending Radiologist

Departments and Services




Two's Company: Multiple Thoracic Lesions on Prenatal US and MRI. Oliver ER, DeBari SE, Didier RA, Johnson AM, Khalek N, Peranteau WH, Howell LJ, Adzick NS, Coleman BG. Fetal Diagn Ther. 2020 Jun 29;1-11. doi: 10.1159/000507783. Online ahead of print.

Oliver ER, Heuer GG, Thom EA, Burrows PK, Didier RA, DeBari SE, Martin-Saavedra JS, Moldenhauer JS, Jatres J, Howell LJ, Adzick NS, Coleman BG. Myelomeningocele Sac Associated With Worse Lower-Extremity Neurological Sequelae: Evidence for Prenatal Neural Stretch Injury? Ultrasound Obstet Gynecol. 2020 Jun;55(6):740-746. doi: 10.1002/uog.21891. Read the abstract.


Oliver ER, DeBari SE, Adams SE, Didier RA, Horii SC, Victoria T, Hedrick HL, Adzick NS, Howell LJ, Moldenhauer JS, Coleman BG. Congenital diaphragmatic hernia sacs: prenatal imaging and associated postnatal outcomes. Pediatr Radiol. 2019 Jan 11. doi: 10.1007/s00247-018-04334-9. [Epub ahead of print]

Lawrence KM, McGovern PE, Mejaddam A, Rossidis AC, Baumgarten H, Kim A, Grinspan JB, Licht DJ, Didier RA, Vossough A, Radaelli E, Rychik J, Song L, Peranteau WH, Davey MG, Flake AW, Gaynor JW. Chronic intrauterine hypoxia alters neurodevelopment in fetal sheep. J Thorac Cardiovasc Surg. 2019 Jan 11;. PMID: 30745051 


Didier RA, Sridharan A, Lawrence K, Coleman BG, Davey MG, Flake AW. Contrast-Enhanced Ultrasound in Extracorporeal Support: In Vitro Studies and Initial Experience and Safety Data in the Extreme Premature Fetal Lamb Maintained by the Extrauterine Environment for Neonatal Development. J Ultrasound Med. 2018 Dec 17;. PMID: 30560564 

Didier RA, DeBari SE, Oliver ER, Gebb JS, Howell LJ, Hedrick HL, Adzick NS, Coleman BG (2018 Sep 23). Secondary Imaging Findings Aid in Prenatal Diagnosis and Characterization of Congenital Diaphragmatic Hernia: Role of an Abnormal Orientation of Vascular Structures and Gallbladder Position. J Ultrasound Med. doi: 10.1002/jum.14823. PMID: 30244484. Epub ahead of print.


Pool G, Didier RA, Selden NR, Kuang AA. Pediatrics computed tomographic generated anthropometric measurements of orbital relationships in normal infants and children. J Neurosurg Pediatr. 2016 Apr 29: 1-6. [Epub ahead of print]

Zarella C, Didier R, Bergquist C, Bardo OM, Selden NR, Kuang AA. A reduction in radiation exposure during pediatric craniofacial computed tomography. J Craniofac Surg. 2016 Mar;27(2):331-3.


Didier RA, Vajtai PL, and Hopkins KL. Iterative reconstruction technique with reduced volume CT dose index: diagnostic accuracy in pediatric acute appendicitis. Pediatr Radio I 2015; 45(2): 181-7.


Ghazizadeh S, Foss EW, Didier R, Fung A, Panicek DM, Coakley FV. Musculoskeletal pitfalls and pseudotumors in the pelvis: a pictorial review for body imagers. Br J Radio] 2014;87(1042):20140243.

Grant MJ, Didier RA, Stevens JS, Beyder DD, Hunter JG, Thomas CR, Coakley FV. Radiation-induced liver disease as a mimic of liver metastases at serial PET/CT during neoadjuvant chemoradiation of distal esophageal cancer. Abdom Imaging 2014;39(5):963-8.

Coakley FV, Grant MJ, Behr S, Foster BR, Korngold EK, Didier RA. Imaging of invasive thymoma in the costophrenic recess presending as thickening of arcuate ligaments of the diaphragm. Clin Imaging 2014; 38(4):529-31.


Kuang AA, Jenq T, Didier R, Moneta L, Bardo D, Selden NR.Benign radiographic coronal synostosis after sagittal synostosis repair. J Craniofac Surg 2013; 24(3):937-40.

Didier R. Oh K, Sohaey R, Kettler M. MRSA abscess following ductography. J Rad Nurs 2013; 32( 1 ): 32-36.


Didier RA, Kuang AA, Schwartz DL, Selden NR, Stevens DM, Bardo DM. Decreasing the effective dose in pediatric craniofacial CT by changing head position. Pediatr Radiol 2010;40( 12): 1910-1917.


Baggot M, Galloway G, Pournajafi-Nazarloo H, Carter CS, Didier R, Jang M, Coyle J, Mendelson J. MOMA ('Ecstasy') impairs categorization of brief fearful expressions. Journal of Vision 2009;9(8):article 49.


Galloway GP, Didier R, Garrison K, Mendelson J. Feasibility of ecological momentary assessment using cellular telephones in methamphetamine dependent subjects. Subst Abuse 2008; 1 :9-14.



Didier RA, Chow JS, Kwatra NS, Lebowitz RL. The Duplicated Collecting System of the Urinary Tract: Embryology, Radiologic Appearances, and Clinical Considerations (educational exhibit). International Pediatric Radiology, Chicago, IL, May 2016.

Posters and Presentations


Didier RA. Contrast-Enhanced Brain Ultrasound on an Extreme Premature Fetal Lamb Maintained by the EXTra-uterine Environment for Neonatal Support (EXTEND): Visibility Study (oral presentation). 2018 AIUM Convention, New York, NY, March 2018.


Didier RA, Colleran GC, Afacan 0, Gholipour A, Estroff JA. Evaluation of fetal abnormalities by echo-planar magnetic resonance imaging at 3 Tesla with decreased artifact when compared to single shot fast spin echo sequences (oral presentation). Society for Pediatric Radiology Annual Meeting, Vancouver, BC, May 2017.


Didier RA, Hopkins KL, Coakley FV, Krishnaswami S, Spiro D, Foster BR. Rapid MRI in pediatric appendicitis (poster). 2015 Coalition for Imaging and Bioengineering Research Medical Technology Showcase, Washington D.C., May I 9th, 2015.

Didier RA, Hopkins KL, Coakley FV, Krishnaswami S, Spiro D, Foster BR. Performance characteristics of MRI in pediatric appendicitis without contrast or sedation (oral presentation). OSHU Radiology Research Retreat, Portland, Oregon, April gt\ 2015.

Invited Lectures


Didier RA. "Fundamentals of Imaging," 3rd Year Medical Student Didactic, Harvard Medical School, Boston, MA, May 2016.

Awards and Honors

2018, Pilot Award, Society of Pediatric Radiology

2018, Research Scholar Grant Award, Radiological Society of North America (RSNA) Research and Education Foundation

2015, Roentgen Resident Research Award, Radiological Society of North America (RSNA) Research and Education Foundation

2015, Travel Award, Coalition for Imaging and Bioengineering Research Medical Technology Showcase

2014, Best Abstract Award, OHSU Radiology Research Retreat

2013, Best Paper Award, Pacific Coast Pediatric Radiology Association

2010, Alpha Omega Alpha Honor Society, Oregon Health & Science University, Portland, OR

2006, Honors degree, University of California, Berkeley, CA

2006, Phi Beta Kappa Honor Society, University of California, Berkeley, CA

2003-2006, Bonner Leader. Cal Corps Public Service Center, University of California, Berkeley, CA

2003-2006, California Alumni Association Leadership Scholar, University of California, Berkeley, CA

2003 & 2005, Dean 's Honor List, University of California, Berkeley, CA

Editorial and Academic Positions

Editorial Positions

2017, Reviewer, Pediatric Radiology

Leadership and Memberships

Memberships in Professional Organizations

2014-present, Association of University Radiologists

2013-present, American Association for Women Radiologists

 - 2015-present, Member-In-Training Committee

2013-present, Society for Pediatric Radiology

2012-present, American Roentgen Ray Society

2010-present, American College of Radiology

2010-present, Radiological Society of North America