Ultrasonographic Evaluation of Fetal Face by 3D/4D Sonography

Azumendi, Guillermo; Lausin, Iva; Pooh, Ritsuko K.; Grant, G.D.

doi:10.5005/jp-journals-10009-1077

Cited by 4 publications

(4 citation statements)

References 54 publications

(75 reference statements)

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“…The transverse muscle degeneration evident at 16-26 WG seems to be coupled with a process of replacement from primary to secondary myotubes: the secondary myotubes are thought to end at the MLS, in contrast to the over-extending primary myotubes. Lateral movement of the GGM and intrinsic transverse muscle in utero may accelerate this degeneration since tongue movements start at this stage (Azumendi et al, 2008). The inferior pharyngeal constrictor (striated muscle) becomes short at 8-12 weeks of fetal development due to posterior shift of the muscle attachment (Hayashi et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

Development and growth of median structures in the human tongue: A histological study using human fetuses and adult cadavers

Yamamoto

Hirota

Watanabe

et al. 2023

The Anatomical Record

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Glossectomy is a surgical procedure performed to remove all or part of the tongue in patients with cancer. The removal of a significant part of the tongue has a marked effect on speech and swallowing function, as patients may lose not only the tongue muscles but also the median lingual septum (MLS). Therefore, to achieve successful tongue regeneration, it is necessary to investigate the developmental processes of not only the tongue muscles but also the MLS. This study was conducted to clarify the mutual development of the tongue muscles and the MLS in human fetuses. Serial or semi‐serial histological sections from 37 embryos and fetuses (aged 5–39 weeks) as well as nine adults were analyzed. The MLS appeared at Carnegie stage 15 (CS15), and until 12 weeks of gestation, abundant fibers of the intrinsic transverse muscle crossed the septum in the entire tongue. However, in near‐term fetuses and adults, the contralaterally extending muscles were restricted to the deepest layer just above the genioglossus muscle. This finding indicates that the crossing transverse muscle showed the highest density at mid‐term. A thorough understanding of both the MLS and the tongue muscles is necessary for successful tongue regeneration.

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Section: Discussionmentioning

confidence: 99%

Development and growth of median structures in the human tongue: A histological study using human fetuses and adult cadavers

Yamamoto

Hirota

Watanabe

et al. 2023

The Anatomical Record

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“…is one of the best noninvasive, powerful visualization tools we have available for prenatal detection of fetal anomalies and syndromes. 85,86 HDlive Flow and HDlive Silhouette imaging (GE Voluson E10) are one of the latest innovation which brings a totally new perspective, as we will show in illustrations, in visualizing structures with exceptional quality and accuracy of imaging just by increasing silhouette mode (Figs 3 to 6). Recently published (Sept 2015) Donald School Atlas of Advanced Ultrasound in Obstetrics and Gynecology with over thousand full color images (including HDlive Silhouette and HDlive Flow technology) and expert comments, is a great synopsis of all up-to-date knowledge and technology available in ultrasound concerning fetomaternal medicine.…”

Section: Where To Find the Information?mentioning

confidence: 99%

“…Recently published (Sept 2015) Donald School Atlas of Advanced Ultrasound in Obstetrics and Gynecology with over thousand full color images (including HDlive Silhouette and HDlive Flow technology) and expert comments, is a great synopsis of all up-to-date knowledge and technology available in ultrasound concerning fetomaternal medicine. 80 Evolution in ultrasound imaging technology allows us to assess not only the fetal anatomy to the smallest details, especially the fetal face, 85,86 but also to follow the fetal behavior and test the functionality of the specific organs and whole systems. Great example of combining those two in one test was done in Kurjak's antenatal neurodevelopment (KANET) test introduced by Kurjak et al in 2008.…”

Section: Where To Find the Information?mentioning

confidence: 99%

Antenatal Detection of Fetal Syndromes by Ultrasound: From a Single Piece to a Complete Puzzle

Pooh¹,

Barišić²,

Delic³

2016

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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There are hundreds of known fetal syndromes and their variant yet, the real occurrence for most of them is not quite known, only estimated. The real incidence is probably much higher, but many of them are lost due to natural selection early, in the first few weeks of existence. Novel technology, enables us also to exchange information and improve the team's cumulative knowledge. Detection of dysmorphic features and recognizable patterns of fetal malformations and diagnosing syndromes is still big challenge in prenatal as well as postnatal period.

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“…74,75 The same inductive forces that cause growth and shaping of the neural tube, influence the development of facial structures. A large number of fetal face anomalies which can be seen using two-and three-dimensional ultrasound techniques are linked with different brain anomalies.…”

Section: Early Fetal Neurodevelopmentmentioning

confidence: 99%

Normal and Abnormal Early Pregnancy

Honemeyer¹,

Kurjak²,

Monni³

2011

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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The first trimester, mostly defined as the first 100 days of pregnancy, is characterized by many important landmarks heralding the ultimate outcome of pregnancy. Woman becomes aware of her pregnancy after missing her period, being already two weeks postconception at that time. A positive pregnancy test opens Pandora's Box, raising more questions than giving answers. Although a positive pregnancy test most likely suggests an intrauterine pregnancy, production of human chorionic gonadotropin (hCG) occurs as well in tumors (dysgerminoma, choriocarcinoma) or maldeveloped pregnancies, such as ectopic pregnancy, blighted ovum or mola hydatidosa. Other early pregnancy complications and failures, like subchorionic hematoma, missed abortion, incomplete miscarriage, retained products of conception, are likely to be accompanied by clinical symptoms such as lower abdominal pain and/or vaginal bleeding, and suboptimal beta hCG serum levels. Transvaginal ultrasound probes with frequencies of up to 14 MHz have lowered the threshold for US-detection of intrauterine pregnancy to 1200 mIu/ml beta hCG/serum (discriminatory zone), and enable identification of all above-mentioned 1st trimester pregnancy disorders earlier than ever before. Furthermore, the additional interrogation of the region of interest (ROI) with color Doppler (CD) and pulsed-wave Doppler (PW) supplies important information about characteristics of vascularization and flow indices, which assists in further differentiation and prognosis of abnormal early pregnancy findings. With the introduction of transvaginal three-dimensional (3D) sonography, and real-time 3D ultrasound (4D), in vivo studies of the early fetal life became possible. The developmental progress of the embryo and early fetus, its anatomy, and first movement patterns, have been explored by means of ultrasonic 3-and 4D imaging, which can be considered as nonteratogenic as long as investigators adhere to certain safety rules. The new field of sonoembryology has emerged, and researchers are penetrating the mists hiding the beginning of human life. Another area of remarkable expansion has been the 1st trimester scan between 11 and 13/6 weeks of gestation. It includes not only the early diagnose of fetal structural anomalies, like acranius-anencephalus sequence, and the screening for fetal aneuploidies such as trisomia 21,18 and 13, but also offers likelihood ratios for hypertensive pregnancy disorders (pre-eclampsia) and intrauterine growth restriction (IUGR).

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Ultrasonographic Evaluation of Fetal Face by 3D/4D Sonography

Cited by 4 publications

References 54 publications

Development and growth of median structures in the human tongue: A histological study using human fetuses and adult cadavers

Development and growth of median structures in the human tongue: A histological study using human fetuses and adult cadavers

Antenatal Detection of Fetal Syndromes by Ultrasound: From a Single Piece to a Complete Puzzle

Normal and Abnormal Early Pregnancy

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