Susan J. Back, MD

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Susan J. Back, MD, is a pediatric radiologist and the Endowed Chair for Pediatric Contrast Ultrasound at Children's Hospital of Philadelphia.

Locations: Main Hospital
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Medical School

MD - Temple University School of Medicine, Philadelphia, PA


Pediatrics - The Children's Hospital of Philadelphia, PA


Pediatrics - The Children's Hospital of Philadelphia, Philadelphia, PA
Radiology - Virginia Commonwealth University, Richmond, VA


Pediatric Radiology - The Children's Hospital of Philadelphia, Philadelphia, PA

Board Certification

Diagnostic Radiology – American Board of Radiology
Pediatrics – American Board of Pediatrics

Titles and Academic Titles

Attending Radiologist

Director, Section of Genitourinary Imaging

Director, Center for Pediatric Contrast Ultrasound

Endowed Chair for Pediatric Contrast Ultrasound

Conditions Treated

Departments and Services




Calle-Toro JS, Maya CL, Emad-Eldin S, Adeb MD, Back SJ, Darge K, Otero HJ (2019 May 15). Morphologic and Functional Evaluation of Duplicated Renal Collecting Systems with MR Urography: A Descriptive Analysis. Clinical Imaging, 57: 69-76. Doi: 10.1016/j.clinimag.2019.05.004. 


Kramer MR, Bhagat N, Back SJ, Poznick L, Forsberg F, Darge K, Eisenbrey JR: Influence of contrast-enhanced ultrasound administration setups on microbubble enhancement: a focus on pediatric applications. Pediatric Radiology, 48(1):101-08, January 2018.

Ntoulia A, Back SJ, Shellikeri S, Poznick L, Morgan T, Kerwood J, Edgar CJ, Bellah RD, Reid JR, Jaramillo D, Canning DA, Darge K: Contrast-enhanced voiding urosonography (ceVUS) with the intravesical administration of the ultrasound contrast agent Optison for vesicoureteral reflux detection in children: a prospective clinical trial. Pediatric Radiology, 48(2):216-26, February 2018.

Back SJ, Edgar JC, Weiss DA, Oliver ER, Bellah RD, Darge K: Rater Reliability of Postnatal Urinary Tract Dilation (UTD) Consensus. Pediatric Radiology, 48:1606-11, June 2018.

Back SJ, Maya C, Darge K, Acharya PT, Barnewolt CE, Coleman JL, Dillman JR, Fordham LA, Hwang M, Lim A, McCarville MB, Munden MM, Paltiel HJ, Volberg FM: Pediatric contrast-enhanced ultrasound in the United States: A survey by the Contrast-Enhanced US Task Force of the Society for Pediatric Radiology.  Pediatric Radiology, 48(6): 852-57, June 2018.

Delgado J, Berman JI, Maya C, Carson RH, Back SJ, Darge K: Pilot study on renal magnetic resonance diffusion tensor imaging: are quantitative diffusion tensor imaging values useful in the evaluation of children with ureteropelvic junction obstruction? Pediatric Radiology, 49: 175-86, October 2018.

Ntoulia A, Anupindi SA, Darge K, Back SJ: Applications of contrast-enhanced ultrasound in the pediatric abdomen. Abdominal Radiology, 43(4): 948-59, April 2018.

Ranganath PG, Robbin ML, Back SJ, Grant EG, Fetzer DT: Practical advantages of contrast-enhanced ultrasound in abdominopelvic radiology. Abdominal Radiology, 43(4): 998-12, April 2018.

Seranio N, Darge K, Canning DA, Back SJ: Contrast enhanced genitosonography (CEGS) of urogenital sinus: A case of improved conspicuity with image inversion. Radiology Case Reports, 13(3): 652-54, April 2018.

Shellikeri S, Back SJ, Poznick L, Darge K: A Low-Cost, Durable and Re-usable Bladder Phantom: Teaching Intravesical Ultrasound Contrast Administration. Ultrasound in Medicine & Biology  44(8): 1918-26, August 2018.


Back SJ, Maya CL, Khwaja A: Ultrasound of congenital and inherited disorders of the pediatric hepatobiliary system, pancreas and spleen. Pediatric Radiology, 47(9): 1069-78, August 2017.

Back SJ, Maya CL, Zewdneh D, Epelman M: Emergent ultrasound evaluation of the pediatric female pelvis. Pediatric Radiology, 47(9):1134-43, August 2017.

Chow JS, Koning JL, Back SJ, Nguyen HT, Phelps A, Darge K: Classification of pediatric urinary tract dilation: the new language  Pediatric Radiology 47(9):1109-15, August 2017.

Anupindi SA, Biko DA, Ntoulia A, Poznick L, Morgan T, Darge K, Back SJ: Utility of Contrast Enhanced Ultrasound for Assessment of Pediatric Focal Liver Lesions. RadioGraphics, 37(6):1632-47, October 2017.

Back SJ, Ntoulia A, Hartung E, Darge K: Imaging of urinary tract infection in children. J Pediatric Infect Dis, 12:72-88, 2017.

Chouhan JD, Chu DI, Birs A, Pyle L, Van Batavia JP, Linn R, Back SJ, Russo P, Darge K, Kolon TF, Srinivasan AK: Ova testis in Adolescence: Two Case Reports  Urology, 105:171-74, July  2017.


Bedoya MA, Back SJ, Scanlon MH, Delgado J, Darge K, Reid JR: Learning, Technology and Intellectual Property: A Survey of the Philosophies and Preferences of our Trainees and Peers Pediatric Radiology. Pediatric Radiology, 46(13):1780-86, December 2016.


Back SJ, Andronikou S, Kilborn T, Kaplan BS, Darge K: Imaging features of tuberous sclerosis complex with autosomal-dominant polycystic kidney disease: a contiguous gene syndrome. Pediatric Radiology, 45(3):386-95, Mar 2015.

Back SJ, Edgar JC, Canning D, Darge K: Contrast enhanced Voiding Urosonography: In-vitro Evaluation of a New 2nd Generation Ultrasound Contrast Agent for In vivo Optimization. Pediatric Radiology, 45(10):1496-505, September 2015.


Back SJ, Gurian MS, Reid JR, Darge K: How and how well do pediatric radiology fellows learn ultrasound skills? A national survey. Pediatric Radiology, 44(9):1058-64, September 2014.

Awards and Honors

2016, Certificate of Merit Award Education Exhibit, Radiological Society for North America, Scientific Exhibition, Chicago, IL

2016, Thomas L. Slovis Award, Society for Pediatric Radiology, 7th International Pediatric Radiology Conjoint Meeting & Exhibition, Chicago, IL

2015, People's Choice Electronic Exhibit, Society for Pediatric Radiology, Bellevue, WA

2014, Cum Laude Award Education Exhibit, Radiological Society of North America Scientific Exhibition, Chicago, IL

2014, Poster Award: Best GU poster, Society of Abdominal Radiology, Boca Raton, FL

2004, Waldo E. Nelson Prize in Pediatrics, Temple University School of Medicine

2004, Bernard J. and Max L. Ronis Prize in Otolaryngology, Temple University School of Medicine

Leadership and Memberships

Memberships in Professional Organizations

2017-present, Society of Radiologist in Ultrasound

2016-present, Society of Abdominal Radiology

2014-present, American Institute of Ultrasound in Medicine

  • 2019-present, Pediatric Ultrasound Community Leader

2013-present, Society for Pediatric Radiology

  • 2017-present, Contrast-enhanced Ultrasound Task Force Vice Chair
  • 2014-present, Contrast-enhanced Ultrasound Task Force Member

2013-present, American Roentgen Ray Society

2013-present, Radiology Society of North America

2012-present, American College of Radiology

2007-present, American Academy of Pediatrics