Related Experiment Video
Updated: Jul 10, 2026
Murine Fetal Echocardiography
Published on: February 15, 2013
Foetal Megacystis: A Practical Guide
Vanessa El-Achi1, Aniruddh Deshpande2, Fergus Scott3
1Westmead Institute Maternal Fetal Medicine, Westmead Hospital, Westmead, New South Wales, Australia.
Insights
Diagnosing fetal megacystis (enlarged fetal bladder) is complex. This review guides diagnosis, management, and counseling for fetal megacystis across trimesters to aid clinicians.
Area of Science:
- Perinatology
- Fetal Medicine
- Medical Diagnostics
Background:
- Fetal megacystis, characterized by an enlarged fetal bladder detected via prenatal ultrasound, presents diagnostic challenges.
- Numerous underlying causes, both obstructive and non-obstructive, contribute to the complexity of antenatal diagnosis.
Purpose of the Study:
- To provide a practical guide for the diagnosis, management, and counseling of fetal megacystis.
- To summarize evidence for differential diagnoses and methods for distinguishing them.
Main Methods:
- Review of existing literature on fetal megacystis.
- Synthesis of diagnostic criteria and management strategies across trimesters.
Main Results:
- Fetal megacystis detection initiates a complex diagnostic process.
- Prognostication and prenatal management are often challenging.
- Prenatal interventions have shown limited success.
Conclusions:
- Accurate diagnosis and tailored management are crucial for improved outcomes.
- Comprehensive counseling is essential for expectant parents.
- Further research may refine prenatal intervention strategies.
Background:
Foetal megacystis is the enlargement of the foetal bladder seen on prenatal ultrasound. Diagnosing the underlying cause of foetal megacystis in the antenatal period is often challenging due to the many possible underlying aetiologies, including various obstructive and non-obstructive causes.
Summary:
The detection of foetal megacystis leads to an extensive diagnostic conundrum. Counselling, prognostication, and prenatal management may prove challenging. Prenatal intervention has been trialled with limited success.
Key Messages:
This review article aims to be a practical guide to assist with the diagnosis, management and counselling for foetal megacystis in each trimester. It summarizes the evidence for each differential diagnosis and how to distinguish between them.
