MRI of normal and pathological fetal lung development

Area of Science:

• Obstetrics and Gynecology
• Pediatric Radiology
• Developmental Biology

Background:

• Normal fetal lung development is intricate, influenced by mechanical and biochemical factors.
• Pulmonary hypoplasia, often seen in conditions like oligohydramnios and congenital diaphragmatic hernia (CDH), can lead to neonatal mortality.
• Accurate diagnosis and quantification of impaired fetal lung development are crucial for improving perinatal care.

Purpose of the Study:

• To review key events in fetal lung development.
• To present magnetic resonance imaging (MRI) volumetric data from 106 normal fetuses.
• To illustrate pathological fetal lung growth using MRI.

Main Methods:

• Utilizing fetal magnetic resonance imaging (MRI) during the second and third trimesters.
• Employing MRI volumetry, signal intensity assessment, and MRI spectroscopy for fetal lung analysis.
• Applying these techniques clinically to detect abnormal fetal lung growth.

Main Results:

• Established MR volumetric data for 106 normal fetuses.
• Demonstrated the application of MRI in identifying abnormal fetal lung growth patterns.
• Provided examples of pathological lung development in conditions affecting fetal growth.

Conclusions:

• Fetal MRI is a valuable tool for investigating and quantifying fetal lung development in vivo.
• MRI aids in the precise diagnosis of pulmonary hypoplasia and other lung growth abnormalities.
• Improved diagnostic capabilities through MRI can enhance the management of neonates with compromised lung development.