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Andrea Bischoff

TitleProfessor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-SRG
    Other Positions
    TitleDirector-Faculty
    InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
    DepartmentSOM-SRG
    DivisionPEDS Clinical


    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Stern EF, Peterson RL, Petranovich C, Judd-Glossy L, Dunbar B, Bischoff A, Simpson TS. Associations between academic and neurocognitive functioning and bowel program management independence in youth and young adults with spina bifida. PM R. 2026 Jun 04. PMID: 42240136.
      View in: PubMed
    2. Alzate-Ricaurte S, Melkonian V, De La Torre L, Alzate Gallego ED, Ketzer J, Merritt A, Krause A, Peña A, Bischoff A. Longitudinal changes in senna-based laxative dosing in pediatric constipation: A single-center retrospective study. J Pediatr Surg. 2026 Jul; 61(7):163133. PMID: 41951122.
      View in: PubMed
    3. Evans LL, Vincent SA, Bothwell S, Friedman JC, Alaniz V, Harris K, Wilcox DT, Pena A, De la Torre L, Bischoff A. Characteristics of pelvic anatomy predict need for vaginal replacement during initial reconstruction of cloacal malformations. J Pediatr Surg. 2026 Mar; 61(3):162802. PMID: 41205796.
      View in: PubMed
    4. Merritt AT, Evans LL, Cooper EH, Peña A, de La Torre L, Bischoff A. Outcomes after appendicostomy and neo-appendicostomy in a single institution. Pediatr Surg Int. 2025 Jun 24; 41(1):189. PMID: 40553246.
      View in: PubMed
    5. Dawson-Gore CC, Evans L, Vincent S, Colbert MT, Harnke B, Moyer A, Alaniz VI, De la Torre L, Bischoff A. The need for screening recommendations after intestinal vaginal replacement: a systematic review of the literature. Pediatr Surg Int. 2025 Jun 16; 41(1):172. PMID: 40522524.
      View in: PubMed
    6. Melkonian V, de la Torre L, Evans L, Ketzer J, Pena A, Bischoff A. Rectal prolapse in adult patients with anorectal malformations: considerations for adult colorectal surgeons. Pediatr Surg Int. 2025 Jun 15; 41(1):171. PMID: 40517363.
      View in: PubMed
    7. Alzate-Ricaurte S, Gallego EDA, De la Torre L, Costa-Roig A, Hwang C, Harris KT, Wilcox DT, Rove KO, Bischoff A. Role of urodynamics in predicting fecal incontinence in spina bifida and spinal cord injury patients. Pediatr Surg Int. 2025 Jun 07; 41(1):159. PMID: 40481847.
      View in: PubMed
    8. Vincent SA, Evans LL, Tong S, Mashhadi MP, Arnold M, Lovell M, Bischoff A, De La Torre L. Does the absence of hypertrophic nerves on rectal biopsy predict long-segment or total colonic aganglionosis? Pediatr Surg Int. 2025 Jun 04; 41(1):158. PMID: 40464991.
      View in: PubMed
    9. Melkonian V, Bischoff A, Torre L, Ketzer J, Matkins K, Judd-Glossy L. Congenital Colorectal Conditions: Caregiver Perspectives of Their Experience in the Neonatal Intensive Care Unit. Am J Perinatol. 2025 06; 42(8):1083-1090. PMID: 39510535.
      View in: PubMed
    10. Melkonian V, de la Torre L, Ketzer J, Rodriguez V, Schneider L, Martin H, Merritt A, Krause A, Wickham M, Pena A, Bischoff A. Economic Impact of Daily Bowel Management Regimens. J Pediatr Surg. 2025 Jan; 60(1):161925. PMID: 39366798.
      View in: PubMed
    11. Simpson T, Scott S, Ketzer J, Matkins K, Schneider L, De La Torre L, Bischoff A, Melkonian V, Judd-Glossy L. Predictors of medical adherence following a bowel management program for youth and young adults with Spina Bifida. Pediatr Surg Int. 2024 Jul 15; 40(1):188. PMID: 39008134.
      View in: PubMed
    12. Wehrli LA, Harris KT, Wood DT, Wilcox DT, Cooper EH, Rieck JM, McGuire E, Ketzer J, De La Torre L, Peña A, Bischoff A. Urological outcomes in adult females born with anorectal malformation or Hirschsprung disease. Pediatr Surg Int. 2024 Jul 06; 40(1):179. PMID: 38971909.
      View in: PubMed
    13. Melkonian V, Wehrli L, Bischoff A, Cooper EH, Ketzer J, Judd-Glossy L, de la Torre L. Transanal proximal rectosigmoidectomy: a single-center experience in surgically treated severe medically refractory idiopathic constipation. Pediatr Surg Int. 2024 Jul 02; 40(1):169. PMID: 38954056.
      View in: PubMed
    14. Wehrli LA, Ariefdjohan M, Ketzer J, Matkins K, De la Torre L, Bischoff A, Judd-Glossy L. "Take It One Dilation at a Time": Caregiver Perspectives of Postoperative Anal Dilations in Pediatric Patients with Colorectal Conditions. Behav Sci (Basel). 2024 Apr 30; 14(5). PMID: 38785870.
      View in: PubMed
    15. Reppucci ML, Harris KT, Wilcox DT, Peycelon M, Bischoff A. Adult urological outcomes for patients with anorectal malformation. J Pediatr Urol. 2024 04; 20(2):193-199. PMID: 38184446.
      View in: PubMed
    16. Clain EC, Woodfield K, Hutchens KJ, Bischoff A, Alaniz VI. Obstructed Hemivagina and Renal Anomalies in Patients with and without Anorectal Malformations. J Pediatr Adolesc Gynecol. 2024 Apr; 37(2):205-208. PMID: 38122961.
      View in: PubMed
    17. Vu A, Harris KT, Wehrli L, Bischoff A, Wood D. Unrepaired cloacal exstrophy in an adult: Medical and ethical considerations. Urol Case Rep. 2023 Nov; 51:102602. PMID: 37965120.
      View in: PubMed
    18. Bischoff A, Hayes K, Guimaraes C, Merritt A, Wickham M, Schneider L, Martin H, Ketzer J, Rodriguez V, Peña A, De La Torre L. Standardization of radiograph readings during bowel management week. Pediatr Surg Int. 2023 Jul 20; 39(1):236. PMID: 37468717.
      View in: PubMed
    19. Wehrli LA, Reppucci ML, De La Torre L, Ketzer J, Rieck JM, Cooper EH, Judd-Glossy L, Peña A, Bischoff A. Gastrointestinal quality of life and bowel function in adults born with anorectal malformation and hirschsprung disease. Pediatr Surg Int. 2023 Jul 18; 39(1):234. PMID: 37464109.
      View in: PubMed
    20. Domínguez-Muñoz A, De La Torre L, Santos-Jasso K, Schneider L, Merritt A, Wickham M, Ketzer J, Rodriguez V, Peña A, Bischoff A. Identifying predictive factors for bowel control in patients with spina bifida and spinal cord injuries. Pediatr Surg Int. 2023 Jul 11; 39(1):231. PMID: 37432519.
      View in: PubMed
    21. Domínguez-Muñoz A, Bischoff A, Wehrli LA, Judd-Glossy L, Schneider L, Merritt A, Wickham M, Ketzer J, Rodriguez V, Peña A, De La Torre L. Radiologically supervised bowel management program outcome in patients with chronic idiopathic constipation. Pediatr Surg Int. 2023 Jul 10; 39(1):229. PMID: 37428259.
      View in: PubMed
    22. Wehrli LA, Reppucci ML, Woodfield K, Ketzer J, Rieck JM, Cooper EH, De La Torre L, Pena A, Bischoff A, Alaniz VI. Fertility concerns and outcomes in females with anorectal malformations. Pediatr Surg Int. 2023 Jul 09; 39(1):228. PMID: 37422894.
      View in: PubMed
    23. Wehrli LA, Reppucci ML, Ketzer J, Dominguez-Muñoz A, Cooper EH, Peña A, Bischoff A, De La Torre L. Incidence of medullary thyroid carcinoma and Hirschsprung disease based on the cosmos database. Pediatr Surg Int. 2023 Jul 07; 39(1):227. PMID: 37418029.
      View in: PubMed
    24. Torre LD, Domínguez A, Arnold M, Lovell M, Martínez D, Bischoff A, Wehrli L. Histological transitional zone pull-through in Hirschsprung disease. Postoperative functional results and current recommendations. Bol Med Hosp Infant Mex. 2023; 80(6):331-338. PMID: 38150718.
      View in: PubMed
    25. Reppucci ML, Wehrli LA, Wilcox D, Ketzer J, Pena A, de la Torre L, Bischoff A, Wood D. Patient-reported urinary outcomes in adult males with congenital colorectal conditions. Pediatr Surg Int. 2022 Dec; 38(12):1709-1716. PMID: 36151341.
      View in: PubMed
    26. Reppucci ML, Wehrli LA, Wilcox D, Ketzer J, Pena A, de la Torre L, Bischoff A, Wood D. Sexual function and fertility of adult males with anorectal malformations or Hirschsprung disease. Pediatr Surg Int. 2022 Dec; 38(12):1693-1699. PMID: 36151340.
      View in: PubMed
    27. Judd-Glossy L, Ariefdjohan M, Ketzer J, Wehrli LA, Pena A, de la Torre L, Bischoff A. Long-term outcomes of adult patients following surgery for congenital colorectal conditions: analysis of psychosocial functioning. Pediatr Surg Int. 2022 Dec; 38(12):1685-1692. PMID: 36127514.
      View in: PubMed
    28. Vargas MC, Wehrli LA, Louiselle A, Ketzer J, Reppucci ML, Juddy-Glossy L, Alaniz VI, Wilcox DT, Wood DN, Peña A, De La Torre L, Bischoff A. Do adult patients with congenital colorectal conditions know their diagnosis? Pediatr Surg Int. 2022 Dec; 38(12):1723-1728. PMID: 36129533.
      View in: PubMed
    29. Reppucci ML, Alaniz VI, Wehrli LA, Torre L, Wood D, Wilcox DT, Appiah LC, Peña A, Bischoff A. Reproductive and Family Building Considerations for Female Patients with Anorectal And Urogenital Malformations. J Pediatr Surg. 2023 Aug; 58(8):1450-1457. PMID: 36229236.
      View in: PubMed
    30. Wehrli LA, Bischoff A, De La Torre L, Reppucci ML, Ketzer J, Peña A, Alaniz VI. Pelvic exams and cervical cancer screening in patients with anorectal malformations. Pediatr Surg Int. 2022 Dec; 38(12):1681-1684. PMID: 36107236.
      View in: PubMed
    31. Wehrli LA, Reppucci ML, Ketzer J, de la Torre L, Peña A, Bischoff A. Stricture rate in patients after the repair of anorectal malformation following a standardized dilation protocol. Pediatr Surg Int. 2022 Dec; 38(12):1717-1721. PMID: 36107235.
      View in: PubMed
    32. Reppucci ML, Nolan MM, Cooper E, Wehrli LA, Schletker J, Ketzer J, Peña A, Bischoff A, De la Torre L. The success rate of antegrade enemas for the management of idiopathic constipation. Pediatr Surg Int. 2022 Dec; 38(12):1729-1736. PMID: 36107238.
      View in: PubMed
    33. Reppucci ML, Wehrli LA, Schletker J, Nolan MM, Rieck J, Fares S, Ketzer J, Rove K, Pena A, de la Torre L, Bischoff A. The effect of an enhanced recovery protocol in pediatric patients who undergo colostomy closure and Malone procedures. Pediatr Surg Int. 2022 Dec; 38(12):1701-1707. PMID: 36098796.
      View in: PubMed
    34. Meyers ML, Mirsky DM, Santos-Jasso KA, Ketzer J, Bischoff A. Visualization of the Anal Dimple by Fetal MRI: Is It Feasible? Fetal Diagn Ther. 2022; 49(7-8):293-300. PMID: 35917796.
      View in: PubMed
    35. Reppucci ML, De La Torre L, Pickett K, Wehrli L, Nolan MM, Ketzer J, Bischoff A. Social media communities for patients and families affected by congenital pediatric surgical conditions. Pediatr Surg Int. 2022 Jul; 38(7):1047-1055. PMID: 35588326.
      View in: PubMed
    36. Roach JP, Derderian SC, Ketzer J, Benge M, Kaizer A, Bischoff A. The pediatric surgery match from the applicant perspective. J Pediatr Surg. 2022 Nov; 57(11):589-591. PMID: 35105454.
      View in: PubMed
    37. Stevens J, de La Torre L, Hall J, Simmons H, Krause A, Ketzer J, Schletker J, Judd-Glossy L, Trainor S, Wilson P, Peña A, Bischoff A. The importance of dedicated colorectal team participation in the management of spina bifida and spinal cord injury patients. Pediatr Surg Int. 2022 Jan; 38(1):69-74. PMID: 34647156.
      View in: PubMed
    38. Judd-Glossy L, Ariefdjohan M, Ketzer J, Matkins K, Schletker J, Krause A, Simmons H, Pena A, De La Torre L, Bischoff A. Considering the value of online support groups for colorectal conditions: perspectives from caregivers and adult patients. Pediatr Surg Int. 2022 Jan; 38(1):31-42. PMID: 34562117.
      View in: PubMed
    39. Reppucci ML, Arnold MA, Lovell M, Santos-Jasso K, Ketzer J, Pena A, de la Torre L, Bischoff A. Is the appendix a good organ to diagnose total colonic aganglionosis? Pediatr Surg Int. 2022 Jan; 38(1):25-30. PMID: 34554294.
      View in: PubMed
    40. Reppucci ML, De La Torre L, Peña A, Judd-Glossy L, Pickett K, Ketzer J, Bischoff A. The use of social media among the pediatric colorectal community. Pediatr Surg Int. 2022 Jan; 38(1):43-50. PMID: 34554295.
      View in: PubMed
    41. Pena A, Bischoff A, de la Torre L. Reply to letter to the editor. J Pediatr Surg. 2021 06; 56(6):1254. PMID: 33608107.
      View in: PubMed
    42. Hall J, Schletker J, Judd-Glossy L, Edmonds T, Krause A, Simmons H, Ketzer J, Peña A, De la Torre L, Bischoff A. A review of adopted colorectal patients: a parent's perspective. Pediatr Surg Int. 2021 Apr; 37(4):431-435. PMID: 33475771.
      View in: PubMed
    43. Bischoff A, Torre L, Peña A. Letter to the Editor. J Pediatr Surg. 2021 06; 56(6):1255. PMID: 33509655.
      View in: PubMed
    44. Alaniz VI, Wilcox DT, Arnold M, Bodmer JL, de la Torre L, Peña A, Bischoff A. Neovagina stricture complicated by high-grade dysplasia in a patient with history of cloaca and ulcerative colitis: a case report and review of the literature. Pediatr Surg Int. 2021 Apr; 37(4):491-494. PMID: 33433664.
      View in: PubMed
    45. Judd-Glossy L, Ariefdjohan M, Ketzer J, Curry S, Schletker J, Edmonds T, Krause A, Simmons H, Pena A, De La Torre L, Bischoff A. Analysis of patients' and caregivers' psychosocial functioning in colorectal conditions: comparison of diagnosis, gender, and developmental functioning. Pediatr Surg Int. 2021 Apr; 37(4):437-444. PMID: 33423102.
      View in: PubMed
    46. Schletker J, Wiersch J, Ketzer J, Edmonds T, Krause A, Simmons H, Peña A, De La Torre L, Bischoff A. An overview of opioid usage and regional anesthesia for patients undergoing repair of anorectal malformation. Pediatr Surg Int. 2021 Apr; 37(4):457-460. PMID: 33415489.
      View in: PubMed
    47. Bischoff A, Guimaraes CVA, Mirsky DM, Santos-Jasso KA, Zaretsky MV, Ketzer J, Hall J, Mueller C, de La Torre L, Peña A, Meyers ML. Visualization of the fetal anus by prenatal ultrasound for the diagnosis of anorectal malformations: is it feasible? Pediatr Surg Int. 2021 Apr; 37(4):425-430. PMID: 33399927.
      View in: PubMed
    48. Woods C, Kapur RP, Bischoff A, Lovell M, Arnold M, Peña A, Flockton A, Sharkey KA, Belkind-Gerson J. Neurons populating the rectal extrinsic nerves in humans express neuronal and Schwann cell markers. Neurogastroenterol Motil. 2021 07; 33(7):e14074. PMID: 33382200.
      View in: PubMed
    49. Morrison ZD, Reyes-Ferral C, Mansfield SA, Alemayehu H, Bowen-Jallow K, Tran S, Santos MC, Bischoff A, Perez N, Lopez ME, Langham MR, Newman EA. Diversity, Equity, and Inclusion: A strategic priority for the American Pediatric Surgical Association. J Pediatr Surg. 2021 Apr; 56(4):641-647. PMID: 33309300.
      View in: PubMed
    50. Peña A, De La Torre L, Belkind-Gerson J, Lovell M, Ketzer J, Bealer J, Bischoff A. Enema-Induced spastic left colon syndrome: An unintended consequence of chronic enema use. J Pediatr Surg. 2021 Feb; 56(2):424-428. PMID: 33199058.
      View in: PubMed
    51. De La Torre L, Zornoza M, Peña A, Bischoff A, Ketzer J, Ruiz A. Transanal rectal mucosectomy and muscular plication: A new technique for rectal prolapse in patients with an anorectal malformation. J Pediatr Surg. 2020 Nov; 55(11):2531-2535. PMID: 32586611.
      View in: PubMed
    52. Vuille-Dit-Bille RN, de La Torre L, Hall J, Ketzer J, Peña A, Bischoff A. Hirschsprung disease and anorectal malformations - An uncommon association. J Pediatr Surg. 2021 Mar; 56(3):487-489. PMID: 32507634.
      View in: PubMed
    53. Bischoff A, de La Torre L, Peña A. Comparative effectiveness of imaging modalities for preoperative assessment of anorectal malformation in the pediatric population. J Pediatr Surg. 2020 02; 55(2):354. PMID: 31718867.
      View in: PubMed
    54. Hecht S, Hall J, Ketzer J, Walker J, Trecartin A, Wilcox D, Peña A, Bischoff A. Ectopic ureters in anorectal malformations. Pediatr Surg Int. 2019 Sep; 35(9):1005-1008. PMID: 31278478.
      View in: PubMed
    55. Judd-Glossy L, Ariefdjohan M, Curry S, Ketzer J, Pena A, Bischoff A. A survey of adults with anorectal malformations: perspectives on educational, vocational, and psychosocial experiences. Pediatr Surg Int. 2019 Sep; 35(9):953-961. PMID: 31270673.
      View in: PubMed
    56. Trecartin AC, Peña A, Lovell M, Bruny J, Mueller C, Urquidi M, Bischoff A. Anal duplication: is surgery indicated? A report of three cases and review of the literature. Pediatr Surg Int. 2019 Sep; 35(9):971-978. PMID: 31256296.
      View in: PubMed
    57. Bischoff A, Alaniz VI, Trecartin A, Peña A. Vaginal reconstruction for distal vaginal atresia without anorectal malformation: is the approach different? Pediatr Surg Int. 2019 Sep; 35(9):963-966. PMID: 31256298.
      View in: PubMed
    58. Dewberry L, Trecartin A, Peña A, Pierre MS, Bischoff A. Systematic review: sacral nerve stimulation in the treatment of constipation and fecal incontinence in children with emphasis in anorectal malformation. Pediatr Surg Int. 2019 Sep; 35(9):1009-1012. PMID: 31256299.
      View in: PubMed
    59. Bischoff A, Trecartin A, Alaniz V, Hecht S, Wilcox DT, Peña A. A cloacal anomaly is not a disorder of sex development. Pediatr Surg Int. 2019 Sep; 35(9):985-987. PMID: 31256297.
      View in: PubMed
    60. Dewberry L, Peña A, Meyers ML, Mirsky DM, Bischoff A. Differentiating presacral masses in anorectal malformations and isolated sacrococcygeal teratomas. Pediatr Surg Int. 2019 Sep; 35(9):979-983. PMID: 31256295.
      View in: PubMed
    61. Bischoff A, Bealer J, Wilcox DT, Peña A. Error traps and culture of safety in anorectal malformations. Semin Pediatr Surg. 2019 Jun; 28(3):131-134. PMID: 31171146.
      View in: PubMed
    62. Goddard GR, Rymeski B, Jenkins T, Mullapudi B, Dickie BH, Bischoff A, Peña A, Levitt MA, Frischer JS. A comparison of surgical complications after appendicostomy and neoappendicostomy in pediatric patients. J Pediatr Surg. 2019 Aug; 54(8):1660-1663. PMID: 31036369.
      View in: PubMed
    63. Peña A, Bealer J, Bischoff A. Re: "Assessing the long term manometric outcomes in patients with previous laparoscopic anorectoplasty (LARP) and posterior sagittal anorectoplasty (PSARP)" by Chung, et al. JPS. Vol. 53, no. 10 October 2018?pp1933-1936. J Pediatr Surg. 2019 06; 54(6):1262. PMID: 30851957.
      View in: PubMed
    64. Peña A, Bischoff A. Commentary to "Fact or myth? The long shared common wall between the fistula and the urethra in male anorectal malformations with urethral bulbar fistula". Pediatr Surg Int. 2019 02; 35(2):253-254. PMID: 30430283.
      View in: PubMed
    65. Schletker J, Edmonds T, Jacobson R, Ketzer J, Hall J, Trecartin A, Peña A, Bischoff A. Bowel management program in patients with spina bifida. Pediatr Surg Int. 2019 Feb; 35(2):243-245. PMID: 30402681.
      View in: PubMed
    66. Bischoff A, Peña A, Ketzer J, Campbell K, O' Neill B, Stence N, Mirsky D. The conus medullaris ratio: A new way to identify tethered cord on MRI. J Pediatr Surg. 2019 Feb; 54(2):280-284. PMID: 30518494.
      View in: PubMed
    67. Acker S, Peña A, Wilcox D, Alaniz V, Bischoff A. Transition of care: a growing concern in adult patients born with colorectal anomalies. Pediatr Surg Int. 2019 Feb; 35(2):233-237. PMID: 30392127.
      View in: PubMed
    68. Dewberry L, Peña A, Mirsky D, Ketzer J, Bischoff A. Sacral agenesis and fecal incontinence: how to increase the index of suspicion. Pediatr Surg Int. 2019 Feb; 35(2):239-242. PMID: 30392128.
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    69. Peña A, Bischoff A, Wilcox D. Letter to the editor. J Pediatr Surg. 2018 08; 53(8):1639. PMID: 29793753.
      View in: PubMed
    70. Bischoff A, Brisighelli G, Dickie B, Frischer J, Levitt MA, Peña A. Idiopathic constipation: A challenging but manageable problem. J Pediatr Surg. 2018 Sep; 53(9):1742-1747. PMID: 29079312.
      View in: PubMed
    71. Bischoff A, Bealer J, Peña A. Controversies in anorectal malformations. Lancet Child Adolesc Health. 2017 Dec; 1(4):323-330. PMID: 30169187.
      View in: PubMed
    72. Cushing CC, Martinez-Leo B, Bischoff A, Hall J, Helmrath M, Dickie BH, Levitt MA, Peña A, Zeller MH, Frischer JS. Health-Related Quality of Life and Parental Stress in Children With Fecal Incontinence: A Normative Comparison. J Pediatr Gastroenterol Nutr. 2016 12; 63(6):633-636. PMID: 27027905.
      View in: PubMed
    73. Bischoff A, Frischer J, Knod JL, Dickie B, Levitt MA, Holder M, Jackson L, Peña A. Damaged anal canal as a cause of fecal incontinence after surgical repair for Hirschsprung disease - a preventable and under-reported complication. J Pediatr Surg. 2017 Apr; 52(4):549-553. PMID: 27624566.
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    74. Bischoff A, Bealer J, Peña A. Critical analysis of fecal incontinence scores. Pediatr Surg Int. 2016 Aug; 32(8):737-41. PMID: 27357400.
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    75. Samuk I, Bischoff A, Hall J, Levitt M, Peña A. Anorectal malformation with rectobladder neck fistula: A distinct and challenging malformation. J Pediatr Surg. 2016 Oct; 51(10):1592-6. PMID: 27345453.
      View in: PubMed
    76. Colares JH, Purcaru M, da Silva GP, Frota MA, da Silva CA, Melo-Filho AA, Bischoff A, Peña A. Impact of the Bowel Management Program on the quality of life in children with fecal incontinence. Pediatr Surg Int. 2016 May; 32(5):471-6. PMID: 26875175.
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    77. Bischoff A. The surgical treatment of cloaca. Semin Pediatr Surg. 2016 Apr; 25(2):102-7. PMID: 26969234.
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    78. Gupta A, Bischoff A. Pathology of cloaca anomalies with case correlation. Semin Pediatr Surg. 2016 Apr; 25(2):66-70. PMID: 26969228.
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    79. Bischoff A, DeFoor W, VanderBrink B, Goebel J, Hall J, Alonso M, Reddy P, Peña A. End stage renal disease and kidney transplant in patients with anorectal malformation: is there an alternative route? Pediatr Surg Int. 2015 Aug; 31(8):725-8. PMID: 26143408.
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    80. Bischoff A, Martinez-Leo B, Peña A. Laparoscopic approach in the management of anorectal malformations. Pediatr Surg Int. 2015 May; 31(5):431-7. PMID: 25725614.
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    81. DeFoor WR, Bischoff A, Reddy P, VanderBrink B, Minevich E, Schulte M, Sheldon C, Peña A. Chronic Kidney Disease Stage Progression in Patients Undergoing Repair of Persistent Cloaca. J Urol. 2015 Jul; 194(1):190-4. PMID: 25623743.
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    82. Gupta A, Bischoff A, Peña A, Runck LA, Guasch G. The great divide: septation and malformation of the cloaca, and its implications for surgeons. Pediatr Surg Int. 2014 Nov; 30(11):1089-95. PMID: 25217828.
      View in: PubMed
    83. Fernandez E, Bischoff A, Dickie BH, Frischer J, Hall J, Peña A. Esophageal atresia in patients with anorectal malformations. Pediatr Surg Int. 2014 Aug; 30(8):767-71. PMID: 24993283.
      View in: PubMed
    84. Bischoff A, Frischer J, Dickie BH, Peña A. Anorectal malformation without fistula: a defect with unique characteristics. Pediatr Surg Int. 2014 Aug; 30(8):763-6. PMID: 24969816.
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    85. Bischoff A, Brisighelli G, Levitt MA, Peña A. The "rescue operation" for patients with cloacal exstrophy and its variants. Pediatr Surg Int. 2014 Jul; 30(7):723-7. PMID: 24817509.
      View in: PubMed
    86. Runck LA, Method A, Bischoff A, Levitt M, Peña A, Collins MH, Gupta A, Shanmukhappa S, Wells JM, Guasch G. Defining the molecular pathologies in cloaca malformation: similarities between mouse and human. Dis Model Mech. 2014 Apr; 7(4):483-93. PMID: 24524909.
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    87. Bischoff A, Levitt MA, Breech L, Peña A. Covered cloacal exstrophy--a poorly recognized condition: hints for a correct diagnosis. J Pediatr Surg. 2013 Dec; 48(12):2389-92. PMID: 24314176.
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    88. Eradi B, Hamrick M, Bischoff A, Frischer JS, Helmrath M, Hall J, Peña A, Levitt MA. The role of a colon resection in combination with a Malone appendicostomy as part of a bowel management program for the treatment of fecal incontinence. J Pediatr Surg. 2013 Nov; 48(11):2296-300. PMID: 24210202.
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    89. Levitt MA, Hamrick MC, Eradi B, Bischoff A, Hall J, Peña A. Transanal, full-thickness, Swenson-like approach for Hirschsprung disease. J Pediatr Surg. 2013 Nov; 48(11):2289-95. PMID: 24210201.
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    90. Bischoff A, Levitt MA, Peña A. Update on the management of anorectal malformations. Pediatr Surg Int. 2013 Sep; 29(9):899-904. PMID: 23913263.
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    91. Brisighelli G, Bischoff A, Levitt M, Hall J, Monti E, Peña A. Coloboma and anorectal malformations: a rare association with important clinical implications. Pediatr Surg Int. 2013 Sep; 29(9):905-12. PMID: 23907175.
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    92. de Blaauw I, Midrio P, Breech L, Bischoff A, Dickie B, Versteegh HP, Peña A, Levitt MA. Treatment of adults with unrecognized or inadequately repaired anorectal malformations: 17 cases of rectovestibular and rectoperineal fistulas. J Pediatr Adolesc Gynecol. 2013 Jun; 26(3):156-60. PMID: 23507006.
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    93. Bischoff A, Levitt MA, Breech L, Hall J, Peña A. Vaginal switch--a useful technical alternative to vaginal replacement for select cases of cloaca and urogenital sinus. J Pediatr Surg. 2013 Feb; 48(2):363-6. PMID: 23414866.
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    94. Bischoff A, Peña A, Levitt MA. Laparoscopic-assisted PSARP - the advantages of combining both techniques for the treatment of anorectal malformations with recto-bladderneck or high prostatic fistulas. J Pediatr Surg. 2013 Feb; 48(2):367-71. PMID: 23414867.
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    95. Bischoff A, Calvo-Garcia MA, Baregamian N, Levitt MA, Lim FY, Hall J, Peña A. Prenatal counseling for cloaca and cloacal exstrophy-challenges faced by pediatric surgeons. Pediatr Surg Int. 2012 Aug; 28(8):781-8. PMID: 22878705.
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    96. Hamrick M, Eradi B, Bischoff A, Louden E, Peña A, Levitt M. Rectal atresia and stenosis: unique anorectal malformations. J Pediatr Surg. 2012 Jun; 47(6):1280-4. PMID: 22703806.
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    97. Peña A, Bischoff A, Levitt MA. The transpubic approach for the correction of complex anorectal and urogenital malformations. J Pediatr Surg. 2011 Dec; 46(12):2316-20. PMID: 22152873.
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    98. Patel MN, Racadio JM, Levitt MA, Bischoff A, Racadio JM, Peña A. Complex cloacal malformations: use of rotational fluoroscopy and 3-D reconstruction in diagnosis and surgical planning. Pediatr Radiol. 2012 Mar; 42(3):355-63. PMID: 22072072.
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    99. Bischoff A, Levitt MA, Peña A. Total colonic aganglionosis: a surgical challenge. How to avoid complications? Pediatr Surg Int. 2011 Oct; 27(10):1047-52. PMID: 21809028.
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    100. Bischoff A, Levitt MA, Peña A. Laparoscopy and its use in the repair of anorectal malformations. J Pediatr Surg. 2011 Aug; 46(8):1609-17. PMID: 21843731.
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    101. Levitt MA, Bischoff A, Peña A. Pitfalls and challenges of cloaca repair: how to reduce the need for reoperations. J Pediatr Surg. 2011 Jun; 46(6):1250-5. PMID: 21683231.
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    102. Lawal TA, Chatoorgoon K, Bischoff A, Peña A, Levitt MA. Management of H-type rectovestibular and rectovaginal fistulas. J Pediatr Surg. 2011 Jun; 46(6):1226-30. PMID: 21683227.
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    103. Rangel SJ, Lawal TA, Bischoff A, Chatoorgoon K, Louden E, Peña A, Levitt MA. The appendix as a conduit for antegrade continence enemas in patients with anorectal malformations: lessons learned from 163 cases treated over 18 years. J Pediatr Surg. 2011 Jun; 46(6):1236-42. PMID: 21683229.
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    104. Hamrick M, Helmrath M, Bischoff A, Eradi B, Levitt M, Peña A. Letter to the Editor regarding comparison of anorectal angle and continence after Georgeson and Peña procedures for high/intermediate imperforate anus. J Pediatr Surg. 2011 May; 46(5):1019-20; author reply 1018-9. PMID: 21616275.
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    105. Lawal TA, Rangel SJ, Bischoff A, Peña A, Levitt MA. Laparoscopic-assisted Malone appendicostomy in the management of fecal incontinence in children. J Laparoendosc Adv Surg Tech A. 2011 Jun; 21(5):455-9. PMID: 21366440.
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    106. Bischoff A, Levitt MA, Lim FY, Guimarães C, Peña A. Prenatal diagnosis of cloacal malformations. Pediatr Surg Int. 2010 Nov; 26(11):1071-5. PMID: 20725837.
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    107. Bischoff A, Levitt MA, Lawal TA, Peña A. Colostomy closure: how to avoid complications. Pediatr Surg Int. 2010 Nov; 26(11):1087-92. PMID: 20714731.
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    108. Bischoff A, Gupta A, D'Mello S, Mezoff A, Podberesky D, Barnett S, Keswani S, Frischer JS. Crohn's disease limited to the appendix: a case report in a pediatric patient. Pediatr Surg Int. 2010 Nov; 26(11):1125-8. PMID: 20714732.
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    109. Peña A, Bischoff A, Breech L, Louden E, Levitt MA. Posterior cloaca--further experience and guidelines for the treatment of an unusual anorectal malformation. J Pediatr Surg. 2010 Jun; 45(6):1234-40. PMID: 20620326.
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    110. Bischoff A, Levitt MA, Breech L, Louden E, Peña A. Hydrocolpos in cloacal malformations. J Pediatr Surg. 2010 Jun; 45(6):1241-5. PMID: 20620327.
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    111. Bischoff A, Tovilla M. A practical approach to the management of pediatric fecal incontinence. Semin Pediatr Surg. 2010 May; 19(2):154-9. PMID: 20307852.
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    112. Bischoff A, Levitt MA, Peña A. Bowel management for the treatment of pediatric fecal incontinence. Pediatr Surg Int. 2009 Dec; 25(12):1027-42. PMID: 19830436.
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    113. Bischoff A, Levitt MA, Bauer C, Jackson L, Holder M, Peña A. Treatment of fecal incontinence with a comprehensive bowel management program. J Pediatr Surg. 2009 Jun; 44(6):1278-83; discussion 1283-4. PMID: 19524754.
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    114. Levitt MA, Bischoff A, Breech L, Peña A. Rectovestibular fistula--rarely recognized associated gynecologic anomalies. J Pediatr Surg. 2009 Jun; 44(6):1261-7; discussion 1267. PMID: 19524751.
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