Assistant Professor of Urology in Surgery at CHOP
University of Pennsylvania School of Medicine
Children’s Hospital of Philadelphia
Philadelphia, Pennsylvania

• 1989-present American Medical Association
• 1993-present American Urological Association
• 1993-2001 Society of Government Service Urologists
• 1999-present American Academy of Pediatrics
  • Member, 1999-2002
  • Fellow, 2002-present
  • Basic Science Urology Program Committee, 2003, 2008, 2010
• 1995-present Society for Fetal Urology
  • Executive Committee, 2000-2006
  • President-elect, 2005-2006
  • President, 2006-2007
• 2001-present Society for Pediatric Urology
• 2002-present American Association of Pediatric Urologists
  • Director of Research, 2006-present
• 2004-present Society of University Urologists
• 2004-present Society for the Study of Male Reproduction
• 2004-present American Society for Reproductive Medicine
• 2008-present National Catholic Bioethics Center
• 2010-present Georgetown Alumni Admissions Program

• American Urological Association, Mid-Atlantic Section
• Philadelphia Urological Society
• Philadelphia College of Physicians
• Philadelphia Pediatric Society

• 1999-2005 North American Task Force on Intersexuality
• 2001-present Joint American Academy of Pediatrics/Society of Pediatric Urology Research Council, Society for Fetal Urology Representative
• 2001-present 22q and You Center-Children’s Hospital of Philadelphia
• 2002-2006 Pediatric In-service Exam/Pediatric Qualifying Exam– exam questions
• 2002-present Developmental Biology and Pediatric Disorders Research Affinity Group-Children’s Hospital of Philadelphia
• 2005 NICHD Sponsored Focus Group on Intersex
• 2005-present Penn Genome Frontiers Institute
• 2006-present Chairman, American Association of Pediatric Urologists Research Grant Committee
• 2008 American Academy of Pediatrics Core Curriculum Task Force for Urology
• 2009 American Board of Urology, Practice Assessment Protocol Committee, “The Undescended Testis”
• 2010-present American Board of Urology/American Urological Association Examination Committee

1. Kolon TF, Philips KA, Buch JP. Custom cryopreservation of human semen. Fertil Steril 58(5):1020-1023, Nov. 1992.
2. Kolon TF, Vignati PV, Cohen JL. Hirschsprung's disease in adolescence: a case report. Resident and Staff Physician 39:33-40, 1993.
3. Buch JP, Kolon TF, Maulik N, Kreutzer DL, and Das D. Cytokines stimulate lipid membrane peroxidation of human sperm. Fertil Steril 62(1):186-188, July 1994.
4. Buch JP, Philips KA, Kolon TF. Cryopreservation of microsurgically extracted ductal sperm: pentoxifylline enhancement of motility. Fertil Steril 62(2):418-420, Aug. 1994.
5. Kolon TF, Philips KA, Buch JP. Pentoxifylline enhancement of post-thaw motility in cryo-preserved human semen of spinal cord injured men. Int J Fertil, 40(3):156-160, May/June 1995.
6. Albertsen PC, Fryback DG, Storer BE, Kolon TF, Fine J. Long-term survival among men with conservatively treated localized prostate cancer. JAMA 274(8):626-631, Aug. 23-30, 1995.
7. Albertsen PC, Fryback DG, Storer BE, Kolon TF, Fine J. Impact of co-morbidity on life expectancy among men with localized prostate cancer. J Urol 156(1):127-132, July 1996.
8. Kolon TF. Nasal speculum for catheterization of a phimotic prepuce. Infections in Urology 10(6):166, 1997.
9. Kolon TF, Hochman HI. Malignant Sertoli cell tumor in a prepubescent male. J Urol 158(2):608-609, Aug. 1997.
10. Kolon TF, Lamb DJ. Gene transcription and translation. Contemporary Urology 10:42-67, 1998.
11. Kolon TF, Ferrer FA, McKenna PH. Clinical and molecular analysis of XX sex-reversed patients. J Urol, 160(3 Pt 2):1169-1172, Sept. 1998.
12. Kolon TF, Wiener JS, Roth DR, Gonzales, Jr ET, Lamb DJ. Analysis for alterations of the homeobox gene, HOXA10, in cryptorchid patients. J Urol 161(1):275-280, Jan. 1999.
13. Herndon CDA, McKenna PH, Kolon TF, Gonzales Jr. ET, Baker L, Docimo SG. A multicenter outcomes analysis of patients with neonatal reflux presenting with prenatal hydronephrosis. J Urol 162(3 Pt 2):1203-1208, Sept. 1999.
14. Kolon TF, Gray, CL, Borboroglu, PG. Prenatal karyotype and ultrasound discordance in intersex conditions. Urology 54(6):1097, Dec. 1999.
15. Kolon TF, Gonzales ET Jr. Dorsal inlay graft for hypospadias repair. J Urol 163(6):1941-1943, June 2000.
16. Kolon TF, Gray CL, Sutherland RW, Roth DR, Gonzales ET Jr. Upper urinary tract manifestations of the VACTERL association. J Urol 163(6):1949-1951, June 2000.
17. Kolon TF, Miller OF. Comparison of single versus multiple dose regimens for the human chronic gonadotropin stimulatory test. J Urol 166(4):1451-1454, Oct. 2001.
18. Miller OF, Kolon TF. Prenatal diagnosis of VACTERL association. J Urol 166(6):2389-2391, Dec. 2001.
19. Miller OF, Bloom TL, Smith LJ, McAleer IM, Kaplan GW, Kolon TF. Early hospital discharge for intravesical ureteroneocystostomy. J Urol 167(6):2556-2559, June 2002.
20. Bloom TL, Kolon TF. Severe megacystis and bilateral hydronephrosis in a female fetus. Urology 60(4):697, Oct. 2003.
21. Blinder J, Kolon T, States L, Meyers K. Quiz page. Air-filled stones in the distal left ureter. Am J Kid Disease 42(1):A49, E1-2, July 2003.
22. Shukla AR, Woodard C, Carr MC, Huff DS, Canning DA, Zderic SA, Kolon TF, Snyder HM 3rd. Experience with testis sparing surgery for testicular teratoma. J Urol 171(1):161-163, Jan. 2004.
23. Delaney DP, Kolon TF, Zderic SA. Persistent Mullerian duct syndrome associated with 47,XXY genotype. J Urol 171(2 Pt 1):852-853, Feb. 2004.
24. Shukla AR, Kiddoo D, Kolon TF, Canning DA. Neonatal vanishing kidney: Congenital and vascular etiologies. J Urol 172(1):317-318, July 2004.
25. Delaney DP, Carr MC, Kolon TF, Snyder HM 3rd, Zderic SA. The physical characteristics of young males with varicocele. BJU Intl 94(4):624-626, Sept. 2004.
26. Nguyen MT, Kolon TF. Ambiguous genitalia consult: A practical approach to the newborn evaluation. Contemporary Urology 24-25, Aug. 2005.
27. Patel RP, Kolon TF, Huff DS, Carr MC, Zderic SA, Canning DA, Snyder HM 3rd. Testicular microlithiasis and antisperm antibodies following testicular biopsy in boys with cryptorchidism. J Urol 174(5):2008-2010, Nov. 2005.
28. Chang AY, Schwab II CW, Kaplan BS, Kolon TF. Asynchronous bilateral renal venous thrombosis with subsequent development of cystic kidneys. J Ped Urol 3: 255-257, June 2007.
29. Borawski KM, Sur RL, Miller OF, Pak CYC, Preminger, GM, Kolon TF. Urinary reference values for stone-risk factors in children. J Urol 179(1):290-294, Jan. 2008.
30. Casale, P, Patel, RP, Kolon, TF. Nerve sparing robotic extravesical ureteral reimplantation. J Urol 179(5):1987-1989, May 2008.
31. Kolon TF, Clement MR, Cartwright L, Bellah R, Carr MC, Canning DA, Snyder III HM. Transient asynchronous testicular growth in adolescent males with a varicocele. J Urol 180(3):1111-1114, Sept. 2008.
32. Spinner NB, Saitta SC, Delaney DP, Colliton R, Zderic SA, Ruchelli E, Zackai E, Kolon TF. Intracytoplasmic sperm injection (ICSI) with transmission of a Ring(Y) chromosome and ovotesticular disorder of sex development in offspring. Am J Med Genetics, Part A. 146A(14):1828-31, July 15, 2008.
33. Patel RP, Kolon TF, Huff DS, Carr MC, Zderic SA, Canning DA, Snyder III HM. Cryptorchid testis histopathology in myelomeningocele patients. J Ped Urol 4(6):434-437, Dec. 2008.
34. Kim SS, Kolon TF, Canter D, White M, Casale P. Pediatric flexible ureteroscopic lithotripsy: The Children's Hospital of Philadelphia experience. J Urol 180(6):2616-2619, Dec. 2008.
35. Nguyen MT, Delaney DP, Kolon TF. Gene expression alterations in cryptorchid males using spermatozoal microarray analysis. Fert Steril 92(1):182-187, July 2009.
36. Canter D, Kim SS, White M, Kolon TF, Balandra A, Casale P. Ureteroscopic treatment of ureteral and renal lithiasis is technically feasible and efficacious in the pediatric population. J Urol , 2009 (in press).
37. Wu X, Schmidt JA, Avarbock MR, Tobias JW, Carlson CA, Kolon TF, Ginsberg JP, and Brinster RL. Prepubertal human spermatogonia and mouse gonocytes share conserved gene expression of germline stem cell regulatory molecules. PNAS 106, 21672-21677, 2009.
38. Ginsberg, JP, Carlson, CA, Lin, K, Hobbie, WL, Wigo, E, Wu, X, Brinster, RL, Kolon, TF. An experimental protocol for fertility preservation in prepubertal boys recently diagnosed with cancer: A report of safety and acceptability. Hum Reprod 25:37-41, 2010.

1. Miller OF and Kolon TF. Hyperreninemia and congenital mesoblastic nephroma: Case report and review of the literature. [Review] Urology 55(5):775, May 1, 2000.
2. Hyun G, Kolon TF. Endocrine evaluation of hypospadias. [Review] Adv Exp Med Biol 545:31-43, 2004.
3. Hyun G, Kolon TF. A practical approach to intersex in the newborn period. [Review] Urol Clin of NA 31(3):435-443, viii, Aug. 2004.
4. Kolon TF, Patel RP, Huff DS. Cryptorchidism: Diagnosis, treatment, and long-term prognosis. [Review] Urol Clin of NA 31(3):469-480, viii-ix, Aug. 2004.
5. Kolon TF. Disorders of sexual development. [Review] Curr Urol Reports 9(2):172-177, Mar. 2008.
6. Kim SS, Kolon TF. Hormonal abnormalities leading to disorders of sexual development. [Review] Expert Review of Endocrinology & Metabolism 4(2):161-172, Mar. 2009.
7. Lambert SM, Vilain EJN, and Kolon TF. A practical approach to ambiguous genitalia in the newborn period. [Review] Urol Clin of NA 37(2):195-205, May 2010.
8. Ashley RA, Barthold JS, and Kolon TF. Cryptorchidism: Pathogenesis, diagnosis, treatment, and prognosis. [Review] Urol Clin of NA 37(2):183-193, May 2010.

1. Through a father’s eyes. DeRose TJ. Commentary by Kolon TF. Nursing Spectrum, 12:6, 2003.

1. Kolon TF, Albertsen PC. Acute scrotal swelling. The Cortlandt Forum 10(8):210-21, 1997.
2. Kolon TF, Lamb, DJ. The molecular biology of intersexuality. AUA Updates XX, 2001.
3. Kolon TF. The molecular etiology of cryptorchidism. Dialogues in Pediatric Urology, 25(1):4-6, 2002.
4. Bloom TL, Kolon TF. Gross hematuria in a healthy adolescent. The Cortlandt Forum, 2002.
5. Chang AY, Schwab CW, Kaplan B, Kolon TF. Asynchronous bilateral renal venous thrombosis with subsequent development of cystic kidneys. Dialogues in Pediatric Urology 27(4):12, 2006.
6. Lassman J, Kolon TF, Zderic SA. Antenatally diagnosed bilateral ureteropelvic junction obstructions presenting with sudden anuria. Dialogues in Pediatric Urology 27(4):13, 2006.
7. Kolon TF. Congenital epididymal abnormalities. SSMR News page 5, Oct. 2006.
8. Chang AY, Nguyen, MT, Kolon TF. Ambiguous genitalia presenting in a 7-year old child. Dialogues in Pediatric Urology 28(3):5, 2007.
9. Chang AY, Kolon TF, Canning DA. Antenatally detected ureterocele associated with a segmental multicystic dysplastic kidney. Dialogues in Pediatric Urology 28(3):16, 2007.

1. Kim SS, Kolon TF, Casale P, Carr MC, Zderic SA, Cannin, DS, Snyder HM. The positive predictive value of prepubertal testis biopsy on adult sperm density in patients with bilateral undescended testes. J Urol 179:144, AUA, Orlando, FL, 2008.
2. Carr MC, Kolon TF, Casale P, Zderic SA, Snyder HM, Tsarouhas N, Canning DA. Testicular torsion—A life threatening medical emergency? J Urol 179:146, AUA, Orlando, FL, 2008.
3. Chang AY, Fan JF, Kim SS, Leone N, Carr MC, Zderic SA, Snyder HM, Kolon TF, Canning DA. Complications of hypospadias surgery are higher in boys with cryptorchidism. J Urol 179:409, AUA, Orlando, FL, 2008.
4. Canter D, Kim SS, White M, Kolon TF, Balandra A, Casale P. Ureteroscopic treatment of ureteral and renal lithiasis is technically feasible and efficacious in the pediatric population. J Urol 179:384, AUA, Orlando, FL, 2008.
5. Lambert SM, Caesar SR, Snyder HM, Casale P, Zderic SA, Carr MC, Canning DA, Kolon TF. Testicular histopathology in Prune Belly Syndrome: Can we predict future fertility? J Urol 181(4):118-119, AUA, Chicago, IL, 2009.
6. Bhargava N, Schast A, Lambert SM, Canning DA, Kolon TF. Testicular histopathology in Complete Androgen Insensitivity Syndrome: Are they “normal” undescended testes? J Urol 181(4):119, AUA, Chicago, IL, 2009.
7. Kolon TF, Kalmus A, Schast A, Casale P, Carr MC, Snyder HM, Canning DA, Zderic SA. Total but not differential testicular volumes correlate with sperm counts in adolescent varicoceles patients. J Urol 183(4):e488, AUA, San Francisco, CA, 2010.

1. Tripp BM, Kolon TF, Bishop C, Lipshultz LI, Lamb DJ. Intracytoplasmic sperm injection and potential transmission of genetic disease. [letter] JAMA 277(12):963-964, Mar. 26, 1997.
2. Albertsen PC, Fryback DG, Storer BC, Kolon TF, and Fine J. The impact of co-morbidity on life expectancy among men with localized prostate cancer. [letter in reply] J Urol 157:965, 1997.
3. Kolon TF. Discussion: Anterior sagittal transanorectal approach to the posterior urethra in the pediatric age group. J Urol 160:1178, 1998.
4. Kolon TF. Discussion: The incidence of intersexuality in children with cryptorchidism and hypo-spadias: stratification based on gonadal palpability and meatal position. J Urol 162: 1006-7, 1999.
5. Kolon TF. Cryptorchidism. In: e-Medicine Textbook of Medicine and Surgery. 2000.
6. Kolon TF. Guest Editor: The hormonal evaluation of intersexuality. In: Dialogues in Pediatric Urology, Vol. 24. 2001.
7. Kolon TF. Intersex: Surgical treatment. In: YourDoctor.Com. 2001.
8. Kolon TF. Editorial Comment: No relationship of testicular size with fertility and unilateral cryptorchidism. J Urol 166:239, 2001.
9. Kolon TF. Editorial Comment: Endocrine screening in 32 consecutive hypospadiac patients. J Urol 168:720, 2002.
10. Kolon TF. Discussion: Urethral mobilization and advancement for midshaft to distal hypospadias. J Urol 168:1741, 2002.
11. Wu HS, Kolon TF. Cryptorchidism. In Schwartz MW, Bell Jr LM, Bingham PM, Chung EK, Friedman DF, Mulberg AE, Tanel RE, Schwartz CI, Kosmowski C (eds.): The 5-Minute Pediatric Consult, Third Edition. New York: Lippincott, Williams & Wilkins, 2003, 294-295.
12. Kolon TF. Intersex. In Schwartz MW, Bell Jr LM, Bingham PM, Chung EK, Friedman DF, Mulberg AE, Tanel RE, Schwartz CI, Kosmowski C (eds.): The 5-Minute Pediatric Consult, Third Edition. New York: Lippincott, Williams & Wilkins, 2003, 480-481.
13. Kolon TF. Intersex. In Moore RG, Bishoff JT, Loening S, Docimo SG (eds.): Minimally Invasive Urologic Surgery. London, England: Martin-Dunitz, 61:847-866, 2004.
14. Kolon TF, Ferrer FA, Hsieh K. Molecular biology of intersexuality. In Bajpai M, Gearhart JP, Hjalmas K, Mitra DK, Radhakrishnan J, Duffy PG, Manzoni GA, McLorie GA (eds.): Progress in Paediatric Urology. New Delhi: Penwel Publishers PLC, 7:13-41, 2004.
15. Kolon TF. Pathogenesis, clinical features, and management of intersexuality. In Kaplan BS, Meyers KEC (eds.): Pediatric Nephrology and Urology: The Requisites in Pediatrics. St. Louis: Mosby, Inc. 43:346-360, 2005.
16. Kolon TF. Intersex. In Schwartz MW, Bell Jr LM, Bingham PM, Chung EK, Friedman DF, Mulberg AE, Tanel RE, Schwartz CI, Kosmowski C (eds.): The 5-Minute Pediatric Consult, Fourth Edition. New York: Lippincott, Williams & Wilkins, 604-607, 2005.
17. Wu HS, Kolon TF. Cryptorchidism. In Schwartz MW, Bell Jr LM, Bingham PM, Chung EK, Friedman DF, Mulberg AE, Tanel RE, Schwartz CI, Kosmowski C (eds.): The 5-Minute Pediatric Consult, Fourth Edition. New York: Lippincott, Williams & Wilkins, 300-301, 2005.
18. Kolon TF. Editorial Comment: The long-term follow-up of 33 cases of true hermaphroditism: A 40-year experience with conservative gonadal surgery. J Urol 177:731, 2007.
19. Kolon TF. Cryptorchidism. In: The Kelalis-King-Belman Textbook of Clinical Pediatric Urology, Fifth Edition. London, England: Martin-Dunitz, 74:1295-1308, 2007.
20. Kolon TF: Disorders of sexual development. In Hanno P, Wein A, Malkowicz SB (eds.): Penn Clinical Manual of Urology. Philadelphia: Elsevier Inc., 25:827-852, 2007.
21. Wu HS, Kolon TF. Cryptorchidism. In Schwartz MW, Bell Jr LM, Bingham PM, Chung EK, Friedman DF, Mulberg AE, Tanel RE, Schwartz CI, Kosmowski C (eds.): The 5-Minute Pediatric Consult, Fifth Edition. New York: Lippincott, Williams & Wilkins, 236-237, 2008.
22. Kolon TF. Intersex (Disorders of Sex Development). In Schwartz MW, Bell Jr LM, Bingham PM, Chung EK, Friedman DF, Mulberg AE, Tanel RE, Schwartz CI, Kosmowski C (eds.): The 5-Minute Pediatric Consult, Fifth Edition. New York: Lippincott, Williams & Wilkins, 456-457, 2008.
23. Kolon TF. Discussion: Varicocelectomy in adolescent boys: Long-term experience with the Palomo Procedure, J Urol 180:1660, 2008.
24. Kolon TF. Cryptorchidism. In Shukla AR, Austin PF, Herndon CDA (eds.): The Kelalis-King-Belman Textbook of Clinical Pediatric Urology Study Guide, First Edition. London: Martin-Dunitz, 229-231, 2008.
25. Sumfest JM, Kolon TF, Rukstalis DB. Cryptorchidism. In: e-Medicine Textbook of Medicine and Surgery from WebMD. Updated Jan. 02, 2009.
26. Kolon TF. Editorial Comment: Adolescent varicocelectomy- Is the potential for catch-up growth related to age and/or Tanner stage? J Urol 181:323, 2009.
27. Kolon TF. Editorial Comment: Peak retrograde flow: A novel predictor of persistent, progressive and new onset asymmetry in the adolescent varicocele. J Urol 181:2723, 2009.
28. Kolon TF. Editorial Comment: Polyorchidism: Meta-analysis. J Urol 182:2427, 2009.
29. Kolon TF. Disorders of sex development. In: Fundamentals of Pediatric Surgery, First Edition. New York: Springer, Oct 2010 (in press).
30. Kraft K and Kolon TF. Fertility preservation in the pediatric population: germ cell culture and transplantation. In: Fertility Preservation in the Man with Cancer. Cambridge, UK: Cambridge University Press, Oct 2010 (in press).

1. Canning DA, Kolon TF. Editors, Urologic Clinics of North America: Pediatric Urology for the General Urologist. Philadelphia: Elsevier Science, 31:3, Aug, 2004.
2. Kolon TF. Editor, Urologic Clinics of North America: Pediatric Urology. Philadelphia: Elsevier Science, 37:2, May, 2010.

1. Kolon TF, Albertsen PC. Conservative treatment of clinically localized prostate cancer. Current Topics for Urologists. 7:3, 1993.