Related Experiment Video
Updated: Apr 24, 2026

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
Published on: October 12, 2017
Bladder exstrophy-epispadias complex and triple-X syndrome: incidental finding or causality?
Paul Ramaekers1, Bart Loeys, Catharina von Lowtzow
1Department of Gynaecology & Obstetrics, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium; Department of Gynaecology & Obstetrics, Ghent University Hospital, Ghent, Belgium.
Bladder exstrophy and Triple-X syndrome (47,XXX) may be linked. This report details two cases, suggesting a potential causal relationship requiring further investigation.
Area of Science:
- Genetics
- Developmental Biology
- Medical Diagnostics
Background:
- Bladder exstrophy is a rare congenital malformation.
- Triple-X syndrome (47,XXX) is the most common sex chromosome aneuploidy in females, often asymptomatic.
- Prenatal diagnosis of Triple-X syndrome is typically incidental.
Observation:
- This study reports two cases associating bladder exstrophy with Triple-X syndrome.
- One case involved a fetus, and the other an adult patient.
- Previous literature includes two similar case reports.
Findings:
- The co-occurrence of bladder exstrophy and Triple-X syndrome suggests a potential link.
- The observed association warrants consideration of causality between these conditions.
Implications:
- Investigating a potential gene dosage effect may elucidate the underlying mechanism.
- This association could impact genetic counseling and diagnostic approaches for both conditions.
Related Concept Videos
Sex-linked Disorders
Anatomy of the Genitourinary System II: Bladder and Urethra
Urinary Bladder
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
X-linked Traits
X-linked Traits
Disorders of the Urinary System
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...

