Gregory Tasian, MD, MSc, MSCE

Gregory Tasian, MD, is an attending pediatric urologist in the Division of Urology at The Children's Hospital of Philadelphia.

Areas of Expertise: Kidney stones, Minimally invasive surgery
Locations: Main Campus; Specialty Care & Surgery Center, Exton
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

  • Background

    Dr. Tasian is committed to the compassionate care of all children who need urologic care. He is interested in developing systems that integrate advances in urologic knowledge into clinical practice. Dr. Tasian has expertise in the surgical and medical management of children with kidney stones and is committed to ensuring that families are fully informed of all treatment options for their child.

  • Education and Training

    Medical School

    MD - Baylor College of Medicine, Houston, TX

    Internship

    Surgery - University of California, San Francisco, San Francisco, CA

    Residency

    Urology - University of California, San Francisco, San Francisco, CA

    Fellowship

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

    Graduate Degree

    MSc in Neuroscience - Oxford University, Oxford, England

    Master of Science in Clinical Epidemiology (MSCE) - University of Pennsylvania, Philadelphia, PA

  • Titles and Academic Titles

    Attending Urologist

    Assistant Professor of Urology in Surgery, Perelman School of Medicine at the University of Pennsylvania

  • Conditions Treated
  • Departments and Services
  • Research Interests

    Nephrolithiasis (kidney stones) in children
    Effect of temperature on nephrolithiasis
    Chronic kidney disease in children with congenital urologic diseases (e.g. posterior urethral valves)
    Center for Pediatric Clinical Effectiveness

  • Publications

    Papers

    2014

    Denburg M, Leonard M, Haynes K, Tuchman S, Tasian GE, Shults J, Copelovitch L. Risk of Fracture in Urolithiasis: A Population-Based Cohort Study Using the Health Improvement Network. Clinical Journal of the American Society of Nephrology. Clin J Am Soc Nephrol. 2014 Dec 5;9(12):2133-40. doi: 10.2215/CJN.04340514. Epub 2014 Oct 23. Read the abstract.

    Tasian GE, Pulido JE, Keren R, Dick AW, Setodji C, Hanley J, Madison R, Saigal CS, Urologic Diseases in America Project. Prevalence and Regional Variation of Initial CT for Pediatric Kidney Stones in the United States. Pediatrics. 134(5): 909-15. Nov. 2014. Read the abstract.

    Tasian GE, Appa A, Bagga HS, Blaschko S, McCulloch, McAninch JW, Breyer BN. Bicyle-related genitourinary injuries in the United States from 2002-2010. Inj Prev. 2014 Oct;20(5):350-3. doi: 10.1136/injuryprev-2013-041002. Epub 2014 Mar 11. Read the article.

    Ziemba JB, Canning DA, Lavelle J, Kalmus A, Tasian GE. Patient and Institutional Characteristics Associated with Initial CT Use for Children Presenting to the Emergency Department with Kidney Stones. J Urol. 2014 Oct 8. [Epub ahead of print] Read the abstract.

    Tasian GE, Pulido JE, Gasparrini A, Saigal CS, Horton BP, Landis JR, Madison R, Keren R. Daily mean temperature and clinical kidney stone presentation in five U.S. metropolitan areas: a time-series analysis. Environ Health Perspect. 2014 Oct;122(10):1081-7. doi: 10.1289/ehp.1307703. Epub 2014 Jun 11. Read the article.

    Tasian GE, Cost NG, Granberg CF, Pulido JE, Rivera M, Schwen Z, Schulte M, Fox JA. Tamsulosin and the spontaneous passage of ureteral stones in children: A multi-institutional cohort study. J Urol. 2014 Aug;192(2):506-11. doi: 10.1016/j.juro.2014.01.091. Epub 2014 Feb 8. Read the abstract.

    Kolon TF, Anthony Herndon CD, Baker LA, Baskin LS, Baxter CG, Cheng EY, Diaz M, Lee PA, Seashore CJ, Tasian GE, Barthold JS. Evaluation and treatment of cryptorchidism: AUA Guideline.  J Urol. 2014 Aug;192(2):337-45. doi: 10.1016/j.juro.2014.05.005. Epub 2014 May 20. Read the abstract.

    Pulido JE, Furth SL, Zderic SA, Canning DA, Tasian GE. Renal parenchymal area and risk of end stage renal disease in boys with posterior urethral valves. Clin J Am Soc Nephrol. 2014 Mar;9(3):499-505. doi: 10.2215/CJN.08700813. Epub 2013 Dec 5. Read the Abstract.

    2013

    Fayad A1, El-Sheikh MG, El-Fayoumy H, El-Sergany R, Abd El Bary A. Effect of extracorporeal shock wave lithotripsy on kidney growth in children. J Urol. 2012 Sep;188(3):928-31. doi: 10.1016/j.juro.2012.04.120. Epub 2012 Jul 20. Read the abstract.

    Glass AS, Bagga HS, Tasian GE, McGeady JB, McCulloch CE, Blaschko SD, McAninch JW, Breyer BN. No small slam: increasing incidents of genitourinary injury from toilets and toilet seats. BJU Int. 2013 Aug;112(3):398-403. doi: 10.1111/bju.12173. Epub 2013 Jun 14. Cited in PubMed; PMID 23773285. Read the abstrcat.

    Christman MS, Kraft KH, Tasian GE, Zderic SA, Kolon TF. Reproducibility and reliability of semen analysis in youths at risk for infertility. J Urol. 2013 Aug;190(2):683-8. doi: 10.1016/j.juro.2013.02.030. Epub 2013 Feb 19. Cited in PubMed; PMID 23434946. Read the abstract.

    Tasian G, Routh JC. Failure to Reject Does Not Equal Acceptance of Null Hypothesis: Implications for Assessing Safety of ESWL in Children. J Urol. 2013 Apr 11. pii: S0022-5347(13)04058-5. doi: 10.1016/j.juro.2013.02.3233. Epub 2013 Apr 11. Cited in PubMed; PMID 23583860. Read the abstract.

    Bagga HS, Tasian GE, Fisher PB, McCulloch CE, McAninch JW, Breyer BN. Product related adult genitourinary injuries treated at emergency departments in the United States from 2002 to 2010. J Urol. 2013 Apr;189(4):1362-8. doi: 10.1016/j.juro.2012.10.122. Epub 2012 Nov 2. Cited in PubMed; PMID 23127766. Read the abstract.

    Bagga HS, Tasian GE, McGeady J., et al. Zip-related genital injury. BJU Int. Epub 2013 Mar 13. doi: 10.1111/bju.12009. Cited in PubMed; PMID 23490164. Read the abstract.

    Christman MS, Kraft KH, Tasian GE, Zderic SA, Kolon TF. Reproducibility and reliability of semen analyses in youths at risk for infertility.  J Urol. 2013 Epub Feb 19. doi:pii: S0022-5347(13)00299-1. 10.1016/j.juro.2013.02.030. Cited in PubMed; PMID 23434946. Read the abstract.

    Tasian GE, Wiebe DJ, Casale P. Learning Curve of Robotic Assisted Pyeloplasty for Pediatric Urology Fellows. J Urol. 2013 Feb 11. pii: S0022-5347(13)00276-0. doi: 10.1016/j.juro.2013.02.009. [Epub ahead of print]. Cited in PubMed; PMID 23410982 Read the abstract.

    Tasian GE, Bagga HS, Fisher PB, McCulloch CE, Cinman NM, McAninch JW, Breyer BN. Pediatric genitourinary injuries in the United States from 2002 to 2010. J Urol. 2013 Jan;189(1):288–93. doi: 10.1016/j.juro.2012.09.003. Epub 2012 Nov 19. Cited in PubMed; PMCID: PMC3565612. Read the article.

    2012

    Tasian GE, Cooperberg MR, Potter MB, Cowan JE, Greene KL, Carroll PR, et al. PSA screening: determinants of primary-care physician practice patterns. Prostate Cancer Prostatic Dis. 2012 Jun;15(2):189-94. doi: 10.1038/pcan.2011.59. Epub 2011 Nov 29. Erratum in: Prostate Cancer Prostatic Dis. 2012 Jun;15(2):211. Cited in PubMed; PMID 22343837. Read the abstract.

    Pulido J, McMahon P, Treat JR, Gunselman J, Tasian GE, Tasian SK. Labial ecthyma gangrenosum in an immunocompromised infant with leukemia: heightening awareness for the urologist. Urology. 2012 Dec;80(6):1366-8. doi: 10.1016/j.urology.2012.08.020. Epub 2012 Oct 2. Cited in PubMed; PMID 23040328. Read the abstract.

    Glass AS, Bagga HS, Tasian GE, Fisher PB, McCulloch CE, Blaschko SD, McAninch JW, Breyer BN. Pubic hair grooming injuries presenting to U.S. emergency departments. Urology. 2012 Dec;80(6):1187-91. doi: 10.1016/j.urology.2012.08.025. Epub 2012 Oct 4. Cited in PubMed; PMCID: PMC3559025. Read the article.

    Tasian GE, Ziemba J, Casale P. Unilateral hypercalciuria: a stealth culprit in recurrent ipsilateral urolithiasis in children. J Urol. 2012 Dec;188(6):2330–5. doi: 10.1016/j.juro.2012.08.035. Epub 2012 Oct 22. Cited in PubMed; PMID 23088966. Read the abstract.

    Bagga HS, Tasian GE, Fisher PB, McCulloch CE, McAninch JW, Breyer BN. Product related adult genitourinary injuries treated at emergency departments in the United States from 2002 to 2010.  J Urol. 2013 Apr;189(4):1362–8. doi: 10.1016/j.juro.2012.10.122. Epub 2012 Nov 2. Cited in PubMed; PMID 23127766. Read the abstract.

    Tasian GE, Cooperberg MR, Cowan JE, Keyashian K, Greene KL, Daniels NA, et al. Prostate specific antigen screening for prostate cancer: knowledge of, attitudes towards, and utilization among primary care physicians. Urol Oncol. 2012 Mar-Apr;30(2):155-60. doi: 10.1016/j.urolonc.2009.12.019. Epub 2010 Aug 25. Cited in PubMed; PMID 20800514. Read the abstract.

    Hsieh MH, Eisenberg ML, Hittelman AB, Wilson JM, Tasian GE, Baskin LS. Caucasian male infants and boys with hypospadias exhibit reduced anogenital distance. Hum Reprod. 2012 Jun;27(6):1577–80. doi: 10.1093/humrep/des087. Epub 2012 Mar 20. Cited in PubMed; PMID 22434852. Read the abstract.

    Qiao L, Tasian GE, Zhang H, Cao M, Ferretti M, Cunha GR, Baskin LS. Androgen receptor is overexpressed in boys with severe hypospadias, and ZEB1 regulates androgen receptor expression in human foreskin cells. Pediatr Res. 2012 Apr;71(4 Pt 1):393-8. doi: 10.1038/pr.2011.49. Epub 2012 Jan 6. Cited in PubMed; PMCID: PMC3423458. Read the article.

    2011

    Tasian GE, Copp HL, Baskin LS. Diagnostic imaging in cryptorchidism: utility, indications, and effectiveness. J Pediatr Surg. 2011 Dec;46(12):2406-13. doi: 10.1016/j.jpedsurg.2011.08.008. Cited in PubMed; PMID 22152893. Read the abstract.

    Yiee JH, Tasian GE, Copp HL. Management trends in prenatally detected hydronephrosis: national survey of pediatrician practice patterns and antibiotic use. Urology. 2011 Oct;78(4):895-901. doi: 10.1016/j.urology.2011.04.027. Epub 2011 Jun 21. Cited in PubMed; PMCID: PMC3184201. Read the article.

    Tasian GE, Yiee JH, Copp HL. Imaging use and cryptorchidism: determinants of practice patterns. J Urol. 2011 May;185(5):1882-7. doi: 10.1016/j.juro.2010.12.065. Epub 2011 Mar 21. Cited in PubMed; PMID 21421239. Read the abstract.

    Qiao L, Tasian GE, Zhang H, Cunha GR, Baskin L. ZEB1 is estrogen responsive in vitro in human foreskin cells and is over expressed in penile skin in patients with severe hypospadias. J Urol. 2011 May;185(5):1888-93. doi: 10.1016/j.juro.2010.12.066. Epub 2011 Mar 21. Cited in PubMed; PMCID: PMC3428058. Read the article.

    Tasian GE, Copp HL. Diagnostic performance of ultrasound in nonpalpable cryptorchidism: a systematic review and meta-analysis.  Pediatrics. 2011 Jan;127(1):119-28. doi: 10.1542/peds.2010-1800. Epub 2010 Dec 13. Cited in PubMed; PMCID: 21149435. Read the abstract.

    Posters and Presentations

    2012

    Tasian G. Learning Curve of Robotic Assisted Pyeloplasty for Pediatric Urology Fellows [oral presentation]. American Academy of Pediatrics, 2012 Oct; New Orleans, LA.