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PubMed This is a summary of 71 peer-reviewed journal articles Updated
Surgery

Validation & Orientation: Understanding a Classic Bladder Exstrophy Diagnosis

At a Glance

Classic Bladder Exstrophy (CBE) is a rare, highly treatable condition where a baby's bladder develops outside the abdomen. While it requires specialized surgical reconstruction, it does not affect cognitive development, and children with CBE can grow up to live full, active lives.

Learning that your child has Classic Bladder Exstrophy (CBE) is a moment that can feel like the world is shifting beneath you. Whether you received this news during a routine prenatal ultrasound or at the moment of birth, the initial shock, fear, and confusion are entirely natural responses [1].

In plain language, CBE is a rare condition where the lower abdominal wall and the bladder do not close properly during early development. Instead of forming as a closed pouch inside the body, the bladder forms “inside out” and remains exposed on the outside of the lower abdomen [2][3]. While this is a serious and complex diagnosis, it is a well-mapped medical journey with a clear path forward.

Three Stabilizing Facts

When the “panic spiral” starts, it can be helpful to anchor yourself in these evidence-based truths:

  1. It is Part of a Known Spectrum: CBE is the most common form of a group of conditions called the Bladder Exstrophy-Epispadias Complex (BEEC) [2]. Because it is a recognized spectrum, there are established protocols and specialized centers of excellence dedicated to treating it [4][5].
  2. It is Highly Treatable: Modern surgical techniques are remarkably advanced. Surgeons can reconstruct the bladder, the abdominal wall, and the genitalia to ensure they function as well as possible [6][7]. The goal is to protect the kidneys and provide your child with a high quality of life [8][9].
  3. Cognitive Development is Unaffected: CBE is a physical difference involving the abdominal organs and pelvic bones. It does not affect your child’s brain, their intelligence, or their ability to learn, play, and reach intellectual milestones [10][11].

Understanding the Rarity and the Path

CBE is rare, occurring in approximately 1 in 30,000 live births [12]. Because it is uncommon, your child’s care should ideally be managed by a specialized team that sees many cases of exstrophy each year [13][4].

If your child is born with CBE, the immediate postnatal course involves:

  • Protection: The medical team will immediately cover the exposed bladder with a non-adherent film (like plastic wrap) to keep the tissue moist and protect it from irritation [3].
  • Stabilization: Doctors will perform a thorough physical exam and imaging to check for other midline defects, such as an omphalocele or spinal changes [3][14].
  • Planning: Surgery is not usually an “emergency” that must happen in the first hours. In many cases, it is safer to wait a few days or weeks to ensure your child is stable and to transfer them to a high-volume center with experienced specialists [15][16].

While the road ahead involves multiple steps and long-term follow-up, children with CBE grow up to go to school, participate in sports, have careers, and even start families of their own [17][18]. Your child’s story is just beginning, and they have every opportunity to lead a full and rewarding life.

Guide Navigation

To help you navigate this journey, we have broken down the most critical information into specialized pages:

01

Anatomy & Diagnosis of Classic Bladder Exstrophy

Understand the anatomy of Classic Bladder Exstrophy (CBE) in your newborn. Learn about pubic diastasis, bladder plate quality, and key diagnostic tests.

02

Surgical Strategies for Classic Bladder Exstrophy

Explore surgical strategies for classic bladder exstrophy (CBE) in children. Learn the differences between CPRE and MSRE, continence procedures, and osteotomy.

03

Building Your Care Team and Finding a Center of Excellence

Learn how to build an expert care team for classic bladder exstrophy (CBE). Discover why choosing a high-volume Center of Excellence is vital for your child.

04

Long-Term Monitoring and Life with Classic Bladder Exstrophy

Learn about long-term care and monitoring for classic bladder exstrophy (CBE). Understand kidney surveillance, psychosexual health, fertility, and adult care.

Common questions in this guide

What is Classic Bladder Exstrophy?
CBE is a rare condition where the lower abdominal wall and bladder do not close properly during early fetal development. This causes the bladder to form inside out and remain exposed on the outside of the baby's abdomen.
Will Classic Bladder Exstrophy affect my child's brain development?
No. CBE is strictly a physical difference involving the abdominal organs and pelvic bones. It does not impact your child's brain development, intelligence, or ability to reach normal intellectual milestones.
Does surgery for bladder exstrophy need to happen immediately after birth?
Surgery is usually not an emergency during the first few hours of life. Doctors often wait a few days or weeks to ensure your baby is stable and to arrange for care at a specialized medical center with a highly experienced team.
How is the exposed bladder protected right after birth?
In the delivery room, the medical team will cover the exposed bladder tissue with a clear, non-adherent film like plastic wrap. This protects the area from irritation, keeps the tissue moist, and helps prevent infection before surgery takes place.
What kind of doctors treat Classic Bladder Exstrophy?
Your child will need a specialized, multidisciplinary care team. Because CBE is rare, it is highly recommended to seek treatment at a center of excellence where specialized surgeons and orthopedic specialists perform many exstrophy closures each year.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Based on the ultrasound or physical exam, how 'robust' or large is my child's bladder plate?
  2. 2.How many primary exstrophy closures does this hospital perform each year?
  3. 3.Will our surgical team include an orthopedic surgeon for pelvic bone reconstruction (osteotomy)?
  4. 4.What steps will you take in the delivery room to protect the exposed bladder tissue from drying or infection?
  5. 5.Can you explain the specific surgical approach (staged vs. single-stage) you recommend for my child and why?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (18)
  1. 1

    Long-term psychosexual adjustment of adults born with classic bladder exstrophy.

    Paraboschi I, Sampogna G, Di Grazia M, et al.

    Journal of pediatric urology 2024; (20(4)):631-640 doi:10.1016/j.jpurol.2024.04.010.

    PMID: 38710600
  2. 2

    The Genomic Architecture of Bladder Exstrophy Epispadias Complex.

    Beaman GM, Cervellione RM, Keene D, et al.

    Genes 2021; (12(8)) doi:10.3390/genes12081149.

    PMID: 34440323
  3. 3

    Contemporary issues relating to transitional care in bladder exstrophy.

    O'kelly F, Keefe D, Herschorn S, Lorenzo AJ

    Canadian Urological Association journal = Journal de l'Association des urologues du Canada 2018; (12(4 Suppl 1)):S15-S23 doi:10.5489/cuaj.5313.

    PMID: 29681269
  4. 4

    Prospective study on the incidence of bladder/cloacal exstrophy and epispadias in Europe.

    Cervellione RM, Mantovani A, Gearhart J, et al.

    Journal of pediatric urology 2015; (11(6)):337.e1-6.

    PMID: 26257027
  5. 5

    An Interdisciplinary Approach to Müllerian Outflow Tract Obstruction Associated with Cloacal Malformation and Cloacal Exstrophy.

    Sack BS, Speck KE, Hryhorczuk AL, et al.

    Journal of clinical medicine 2022; (11(15)) doi:10.3390/jcm11154408.

    PMID: 35956025
  6. 6

    One-hundred-fifteen consecutive bladder exstrophies successfully closed in a single nationally commissioned centre.

    Mariotto A, Keene JD, Bendon AA, et al.

    Journal of pediatric urology 2025; (21(6)):1449-1457 doi:10.1016/j.jpurol.2025.06.017.

    PMID: 40615250
  7. 7

    Insights and outcomes of single-staged repair of female bladder exstrophy-epispadias complex without osteotomy: 15 Years experience of a single institution.

    Kajbafzadeh AM, Sabetkish S, Sabetkish N, et al.

    Journal of pediatric urology 2022; (18(3)):355-361 doi:10.1016/j.jpurol.2022.03.018.

    PMID: 35477666
  8. 8

    Genetic Counseling for Bladder Exstrophy-Epispadias Complex.

    Reutter H, Holmdahl G

    European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift fur Kinderchirurgie 2021; (31(6)):468-471 doi:10.1055/s-0041-1740336.

    PMID: 34911128
  9. 9

    Presentations of bladder exstrophy in a resource-limited setting and the role of Mainz II continent diversion for late referrals or failed primary closures: a multicentric report.

    Calisti A, Belay K, Mombo A, et al.

    La Pediatria medica e chirurgica : Medical and surgical pediatrics 2023; (45(2)) doi:10.4081/pmc.2023.323.

    PMID: 37667897
  10. 10

    Psychiatric morbidity in bladder exstrophy-epispadias complex: A systematic review with a population-based case-control study.

    Kymäläinen E, Pakkasjärvi N, Pape B, et al.

    Journal of pediatric urology 2026; (22(3)):105795 doi:10.1016/j.jpurol.2026.105795.

    PMID: 41719822
  11. 11

    Bladder exstrophy-epispadias-cloacal exstrophy complex: characteristics, aetiologies, and epidemiologic findings.

    Fendereski K, Schaeffer AJ

    African urology 2024; (4(se1)):S20-S25 doi:10.36303/auj.0152.

    PMID: 39687282
  12. 12

    Analyzing the factors that contribute to the development of embryological classical type of bladder exstrophy.

    Margiana R, Juwita W, Ima K, et al.

    Anatomy & cell biology 2023; (56(4)):421-427 doi:10.5115/acb.23.056.

    PMID: 37649128
  13. 13

    How to close classic bladder exstrophy: Are subspecialty training and technique important?

    Inouye BM, Purves JT, Routh JC, et al.

    Journal of pediatric urology 2018; (14(5)):426.e1-426.e6 doi:10.1016/j.jpurol.2018.02.025.

    PMID: 29627154
  14. 14

    Failure of Prenatal Ultrasonography to Identify Classic Bladder Exstrophy in a Heavily Screened Population.

    Dekalo A, Friedman M, Ben-Chaim J, Bar-Yosef Y

    Urology 2025; (200()):166-169 doi:10.1016/j.urology.2025.02.028.

    PMID: 40015483
  15. 15

    Complications of delayed and newborn primary closures of classic bladder exstrophy: Is there a difference?

    Morrill CC, Manyevitch R, Haffar A, et al.

    Journal of pediatric urology 2023; (19(3)):249.e1-249.e8 doi:10.1016/j.jpurol.2023.01.001.

    PMID: 36690520
  16. 16

    One-stage combined delayed bladder closure with Kelly radical soft-tissue mobilization in bladder exstrophy: preliminary results.

    Leclair MD, Faraj S, Sultan S, et al.

    Journal of pediatric urology 2018; (14(6)):558-564 doi:10.1016/j.jpurol.2018.07.013.

    PMID: 30126745
  17. 17

    Pregnancy outcomes among patients with prior bladder exstrophy.

    Dap M, Larmure O, Morel O, Lemelle JL

    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2017; (139(3)):368-369 doi:10.1002/ijgo.12307.

    PMID: 28833084
  18. 18

    Outcomes of pregnancy and delivery in women with continent lower urinary tract reconstruction: systematic review of the literature.

    Bey E, Perrouin-Verbe B, Reiss B, et al.

    International urogynecology journal 2021; (32(7)):1707-1717 doi:10.1007/s00192-021-04856-1.

    PMID: 34125241

This page provides educational orientation regarding a new Classic Bladder Exstrophy diagnosis. Always consult with specialized pediatric surgeons and your healthcare team to develop a treatment plan for your child.

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