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Related Experiment Videos

The fetal spine.

P D Russ, D H Pretorius, M L Manco-Johnson

    Neuroradiology
    |January 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Ultrasonography enables early detection of fetal spine anomalies by the second trimester. This allows for timely parental counseling and optimized obstetrical management of spinal defects.

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    Area of Science:

    • Prenatal diagnosis
    • Medical imaging
    • Fetal medicine

    Background:

    • Ultrasonography is a key tool for in utero fetal spine evaluation.
    • Vertebral ossifications are visible via ultrasound in the early second trimester.
    • Most spinal defects are detectable by 20-22 weeks of menstrual age.

    Purpose of the Study:

    • To highlight the utility of ultrasonography in detecting fetal spinal anomalies.
    • To emphasize the importance of early diagnosis for management and counseling.
    • To detail optimal imaging planes for fetal spine examination.

    Main Methods:

    • Utilizing real-time ultrasound equipment for fetal spine examination.
    • Employing parasagittal, transverse, and coronal planes for comprehensive assessment.

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  • Focusing on the transverse plane for visualizing ossification centers and neural arch defects.

    • Main Results:

    • Ultrasonography effectively demonstrates vertebral ossifications early in the second trimester.
    • The transverse view is optimal for identifying the three ossification centers per vertebra.
    • Evaluation of neural arch ossifications in the transverse view is critical for detecting spina bifida.

    Conclusions:

    • Early detection of fetal spinal anomalies via ultrasound facilitates informed parental counseling and obstetrical planning.
    • Fetal spine ultrasonography complements alpha-fetoprotein screening for neural tube defects.
    • Ultrasound is vital for identifying vertebral ossification defects in high-risk pregnancies, including those involving short-limbed dwarfs and infants of diabetic mothers.