Three‐dimensional ultrasound in diagnosing phocomelia

Lee, A.; Kratochwil, A; Deutinger, Josef; Bernaschek, Gerhard

doi:10.1046/j.1469-0705.1995.05040238.x

Cited by 38 publications

(21 citation statements)

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“…Potential obstetric applications of three-dimensional ultrasonography for systematic examination of the fetal digits or detection of structural malformations of the fetal hands and feet have been reported 3,4,8,9 . In the current study, we used a specially developed transabdominal threedimensional transducer; this imaging system was able to provide conventional two-dimensional ultrasound images as well as generating, within seconds, high-quality threedimensional images on the screen with no need for an external workstation.…”

Section: Discussionmentioning

confidence: 99%

“…Three-dimensional ultrasonography may provide additional information for routine study in cases of complex malformations, especially for examinations of the face, genitals and extremities 9 . In our study, which investigated the normal fetal feet and hands, the percentage of visualization of at least one foot between 16 and 35 weeks ranged from 50 to 85%.…”

Section: Discussionmentioning

confidence: 99%

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Three‐dimensional ultrasonographic assessment of fetal hands and feet

Hata

Aoki

Akiyama

et al. 1998

Ultrasound in Obstet & Gyne

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Three‐dimensional ultrasonographic assessment of fetal hands and feet

Hata

Aoki

Akiyama

et al. 1998

Ultrasound in Obstet & Gyne

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“…Potential obstetric applications of 3D sonography for systemic examination of the fetal skeleton or detection of skeletal structural malformations have been reported [11,12,[18][19][20]. With the latest 3D technology (Kretztechnik, Zipf, Austria) [20], the time required for abdominal data acquisition averaged 1-3 s per volume.…”

Section: Discussionmentioning

confidence: 99%

“…placenta, uterus, and body parts. Our equipment is very exciting but it does not have the same capabilities as the equipment which is being used for many of the articles currently being published [18][19][20].…”

Section: Discussionmentioning

confidence: 99%

Three-Dimensional Sonographic Visualization of Fetal Skeleton in the Second Trimester of Pregnancy

Yanagihara

Hata²

2000

Gynecol Obstet Invest

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Purpose: To demonstrate the potential of using three-dimensional (3D) sonography to reveal anomalies of fetal skeleton. Materials and Methods: Forty-two normal fetuses and 3 anencephalic fetuses from 14 to 27 weeks’ gestation were studied with a specially developed abdominal 3D transducer (3.5 MHz). This imaging system provided conventional two-dimensional (2D) sonographic images and also generated within seconds high-quality 3D images in the surface and transparent mode with no need for an external workstation. Results: Using this imaging system, we obtained 2D and 3D images of fetal skeleton (skull, scapula, spine, rib, humerus, ulna/radius, pelvis, femur, and tibia/fibra) at two gestational ages. The percentages of fetal skeletal visualization at less than 20 weeks of gestation using 3D sonography were 78–100%, whereas those with 2D sonography were all 100%. The percentages of skeletal structures revealed after 20 weeks’ gestation using 3D sonography were 82–100%, whereas those with 2D sonography were all 100%. We found no significant differences in detection rates of the fetal skeleton between 2D and 3D sonography. However, 3D sonographic images generally provided a more comprehensive view of the fetal skeleton than did conventional 2D sonography. In 2 cases with anencephaly, 3D sonography clearly revealed the defect of cranium. Conclusion: The new 3D sonographic technology can generate within seconds high-quality 3D images of the fetal skeleton. The 3D technology seems to perform at least as well as conventional 2D sonography. Our results suggest that 3D sonography has the potential to supplement 2D sonography and might be useful in identifying malformations of the fetal skeleton and chromosomal abnormalities in utero.

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“…(17) Due to the high risk nature of multiple gestation pregnancies, an early assessment of amnionicity and chorionicity is an essential part of perinatal management. In summary, three dimensional ultrasound has many promising uses in infertility (18,19,20,21), early pregnancy (22,23,24), and fetal malformations (25,26). As the technology matures and treating physicians obtain more training, skills, and comfort with this technology, we anticipate more widespread acceptance and patient benefit to ensue.…”

Section: Wwwintechopencommentioning

confidence: 99%