Three-dimensional ultrasound in fetal medicine after 25 years in clinical practice: many advances and some questions

Júnior, Edward Araujo

doi:10.1590/0100-3984.2016.49.5e1

Radiol Bras

2016

DOI: 10.1590/0100-3984.2016.49.5e1

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Three-dimensional ultrasound in fetal medicine after 25 years in clinical practice: many advances and some questions

Edward Araujo Júnior

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Cited by 6 publications

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References 18 publications

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“…Ultrasound imaging is routinely performed for fetal assessment, as it is non-invasive and nowadays widely available in middle and higher income countries. Three-dimensional ultrasound (3D US) was introduced clinically in the late 1990s and studies have explored the added value of 3D US for the assessment of fetal abnormalities [8][9][10][11] . Technical improvements have increased the quality of the images and their visualisation 12 .…”

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Fetal face shape analysis from prenatal 3D ultrasound images

Sivera,

Clark,

Dall’Asta

et al. 2024

Sci Rep

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Abstract3D ultrasound imaging of fetal faces has been predominantly confined to qualitative assessment. Many genetic conditions evade diagnosis and identification could assist with parental counselling, pregnancy management and neonatal care planning. We describe a methodology to build a shape model of the third trimester fetal face from 3D ultrasound and show how it can objectively describe morphological features and gestational-age related changes of normal fetal faces. 135 fetal face 3D ultrasound volumes (117 appropriately grown, 18 growth-restricted) of 24-34 weeks gestation were included. A 3D surface model of each face was obtained using a semi-automatic segmentation workflow. Size normalisation and rescaling was performed using a growth model giving the average size at every gestation. The model demonstrated a similar growth rate to standard head circumference reference charts. A landmark-free morphometry model was estimated to characterize shape differences using non-linear deformations of an idealized template face. Advancing gestation is associated with widening/fullness of the cheeks, contraction of the chin and deepening of the eyes. Fetal growth restriction is associated with a smaller average facial size but no morphological differences. This model may eventually be used as a reference to assist in the prenatal diagnosis of congenital anomalies with characteristic facial dysmorphisms.

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confidence: 99%

Fetal face shape analysis from prenatal 3D ultrasound images

Sivera,

Clark,

Dall’Asta

et al. 2024

Sci Rep

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What radiologists need to know about 3D printing and its main applications in musculoskeletal imaging

et al. 2017

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Evaluation of the fetal abdomen by magnetic resonance imaging. Part 1: malformations of the abdominal cavity

et al. 2018

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Although ultrasound continues to be the mainstay modality for the evaluation of fetal disorders, fetal magnetic resonance imaging (MRI) has often been used as a valuable adjunct in recent years. The exponential growth of the use of fetal MRI has been facilitated by technological advancements such as ultrafast T2-weighted sequences and diffusion-weighted imaging. Fetal MRI can achieve results that are comparable to or better than those of ultrasound, particularly in cases of maternal obesity, severe oligohydramnios, or abnormal fetal position. Because of its superior soft tissue contrast, wide field of view, and multiplanar imaging, fetal MRI is able to evaluate the large fetal organs, such as the lungs, liver, bowel, and kidneys. In addition, fetal MRI allows large or complex malformations to be examined, facilitating the understanding of the malformation within the context of the body as a whole. Initial fetal MRI studies were focused on the central nervous system. With advances in software and hardware, fetal MRI gained importance in the evaluation of the fetal abdomen. The purpose of this article is to review the recent literature and developments in MRI evaluation of the fetal abdomen, with an emphasis on imaging aspects, protocols, and common clinical indications.

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Three-dimensional ultrasound in fetal medicine after 25 years in clinical practice: many advances and some questions

Cited by 6 publications

References 18 publications

Fetal face shape analysis from prenatal 3D ultrasound images

Fetal face shape analysis from prenatal 3D ultrasound images

What radiologists need to know about 3D printing and its main applications in musculoskeletal imaging

Evaluation of the fetal abdomen by magnetic resonance imaging. Part 1: malformations of the abdominal cavity

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