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Enhancing Prenatal Diagnosis: The Added Diagnostic Utility of Three-Dimensional (3D) Ultrasound and Doppler Angiography Imaging in Left Isomerism

, Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China

Keywords

Heterotaxy; Isomerism; Polysplenia; Asplenia; Situs ambigus; Situs inversus; Situs solitus, Cardiovascular malformations, Power Doppler imaging, 3D ultrasound. Left atrial isomerism. Malrotation

Abstract

Objective: To emphasize the significance of utilizing 3D ultrasound and Doppler angiography imaging in the prenatal evaluation of left fetal isomerism. Methods: A retrospective analysis of volume datasets from 3 fetuses diagnosed with left atrial isomerism was conducted using 3D ultrasound. 

Conclusion: We assert that the parasagittal view, showcasing the heart and abdominal vessels, is easily attainable and interpretable, providing a realistic anatomical image without the need for mental reconstruction of spatial relationships. This view proves particularly beneficial in identifying situs anomalies. We advocate for the systematic use of 3D ultrasound in suspected cases of atrial isomerism to enhance our understanding and interpretation of fetal anatomy

Objective: To emphasize the significance of utilizing 3D ultrasound and Doppler angiography imaging in the prenatal evaluation of left fetal isomerism. Methods: A retrospective analysis of volume datasets from 3 fetuses diagnosed with left atrial isomerism was conducted using 3D ultrasound. 

Conclusion: We assert that the parasagittal view, showcasing the heart and abdominal vessels, is easily attainable and interpretable, providing a realistic anatomical image without the need for mental reconstruction of spatial relationships. This view proves particularly beneficial in identifying situs anomalies. We advocate for the systematic use of 3D ultrasound in suspected cases of atrial isomerism to enhance our understanding and interpretation of fetal anatomy

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