Transvaginal 3D and doppler ultrasonography of the fetal brain

Pooh, Ritsuko K.; Pooh, Kyong Hon

doi:10.1053/sper.2001.22895

Cited by 46 publications

(29 citation statements)

References 21 publications

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“…6,8,[13][14][15] In our series, in all 9 cases TD lesions were better visualized using various 3D modes of reconstruction, regardless of the position of the fetus. An explicit 3D picture of the abnormal fetus can help the parents make their decision regarding termination of pregnancy.…”

Section: Discussionmentioning

confidence: 83%

Thanatophoric dysplasia: Role of 3‐dimensional sonography

Tsai

Chang

Chen

et al. 2008

J of Clinical Ultrasound

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Purpose. Fetal thanatophoric dysplasia (TD) is a lethal skeletal dysplasia. Therefore, antenatal diagnosis of TD is mandatory in routine obstetrical care. However, because TD is relatively rare, prenatal detection is not an easy task. In the past, 2-dimensional (2D) sonography had been applied as the mainstay of prenatal diagnosis of TD. In this series, we report our work of detecting TD using 3-dimensional (3D) sonography.Methods. We reviewed our computer database of prenatal diagnosis of TD in National Cheng Kung University Hospital from May 1995 to June 2006. All the cases were scanned using 2D and 3D sonography. In total, 9 cases of fetal TD were diagnosed.Results. 3D sonography can detect fetal TD and provide additional vivid illustration after various modes of reconstruction that 2D sonography cannot afford.Conclusion. 3D sonography may contribute significantly to the detection of TD in utero and provide a novel visual depiction of this defect after reconstruction. Thus, 3D sonography may assist substantially in prenatal diagnosis as well as consultation.

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Section: Discussionmentioning

confidence: 83%

Thanatophoric dysplasia: Role of 3‐dimensional sonography

Tsai

Chang

Chen

et al. 2008

J of Clinical Ultrasound

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“…The combination 3D and sonoangiography shows the brain circulation three-dimensionally. 15 Finally, using the rendering mode and the transparent maximum mode a clear view of the cranial bones and suture may be achieved 16 (Fig. 5).…”

Section: Normal Brain Developmentmentioning

confidence: 99%

Three-dimensional Ultrasound of the Fetal Brain

Pintucci¹,

Vincenzo²,

Addario³

et al. 2007

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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Three-dimensional ultrasound is the most innovating and attracting modality in the field of ultrasound imaging and represents a superb tool to perform an accurate fetal neuroscan. Once the fetal brain has been scanned, it is then possible to "navigate" in the stored volume choosing among the multiple scanning planes on the three orthogonal spatial axes. Last generation 3D equipments have multiple software facilities which are extremely useful to correctly evaluate the fetal brain such as the multiplanar view, the tomographic ultrasound imaging (TUI), the volume contrast imaging in the C plane (VCI-C plane), the volume calculation, the surface rendering, the 3D color and power Doppler. Thanks to these imaging modalities it is possible to evaluate the finest anatomical details of the developing brain and to increase the diagnostic accuracy when an abnormal sonographic finding of the fetal brain is recognized during the routine examination.

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“…Recent advanced 3D ultrasound equipments have several useful functions which can be utilized for fetal CNS assessment; surface anatomy imaging, [4][5][6][7][8] bony structural imaging of the calvaria and vertebrae, 9 multiplanar imaging (three orthogonal view) of the intracranial structure, 4-11 tomographic ultrasound imaging of fetal brain in the any cutting section, thick slice imaging of the intracranial structure, simultaneous volume contrast imaging of the same section or vertical section of fetal brain structure, 11 volume calculation of target organs [11][12][13][14] such as intracranial cavity, ventricle, choroid plexus and intracranial lesions, and three-dimensional sonoangiography of the brain circulation (3D power Doppler, 3D color Doppler and 3D B-flow). 10,14,15 Combination of both transvaginal sonography and 3D ultrasound may be a great diagnostic tool for evaluation of three-dimensional structure of fetal CNS.…”

Section: Imaging Technology For Fetal Cns Assessmentmentioning

confidence: 99%

“…Modern imaging technologies such as transvaginal sonography, [1][2][3] three-dimensional (3D) ultrasound [4][5][6][7][8][9][10][11][12][13][14][15] and advanced magnetic resonance imaging (MRI) [16][17] have contributed to the prenatal assessment of congenital central nervous system (CNS) anomalies and acquired brain damage in utero. However, management of the condition and counseling of parents are still difficult, because the cause, absolute risk, and degree of resulting neurological deficit cannot be determined with confidence.…”

Section: Introductionmentioning

confidence: 99%

Fetal Ventriculomegaly

Pooh¹,

Pooh²

2007

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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Abstract:The causes of fetal ventriculomegaly vary. Ventriculomegaly can be caused by not only obstruction of cerebrospinal flow tract but also brain maldevelopment or other reasons. Recent advanced imaging technology and approaching technique of transvaginal sonography have contributed to an accurate prenatal diagnosis and clearly revealed fetal intracranial condition. However, management of the condition and counseling of parents are still difficult, because the initial cause, absolute risk, and degree of resulting neurological deficit cannot be determined with confidence. Ventriculomegaly is evaluated according to atrial width > 10 mm and mild ventriculomegaly is defined as an atrial width of 10 to 15 mm. In ventriculomegaly cases, accurate detection of intracranial structure and additional abnormalities is required. Furthermore, ventriculomegaly may resolve spontaneously or progress during pregnancy. Therefore, detailed neuroscan by advanced imaging technology, detailed extra-CNS scan, longitudinal serial scan during pregnancy are mandatory for proper counseling and management. Longitudinal observation study of not only short-term but also long-term neurological prognosis will be required.Key words: Fetus, central nervous system, ventriculomegaly, prenatal diagnosis. Learning objectives• To know imaging technology for fetal CNS assessment.• To know variety of causes of fetal ventriculomegaly.

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Transvaginal 3D and doppler ultrasonography of the fetal brain

Cited by 46 publications

References 21 publications

Thanatophoric dysplasia: Role of 3‐dimensional sonography

Thanatophoric dysplasia: Role of 3‐dimensional sonography

Three-dimensional Ultrasound of the Fetal Brain

Fetal Ventriculomegaly

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