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Related Experiment Videos

Sirenomelia ('mermaid').

H J de Jonge, J A Los, R J Knipscheer

    European Journal of Obstetrics, Gynecology, and Reproductive Biology
    |September 1, 1984
    PubMed
    Summary
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    This case report details a rare sireniform malformation in a fetus, characterized by fused lower limbs and severe urogenital and intestinal defects. Early ultrasound detection is highlighted as crucial for identifying this complex congenital anomaly.

    Area of Science:

    • Medical Genetics
    • Developmental Biology
    • Fetal Medicine

    Background:

    • Sireniform malformation, a rare congenital anomaly, involves the fusion of lower limbs.
    • This condition often presents with associated anomalies of the genitourinary and gastrointestinal systems.
    • Understanding the genesis of sirenomelia is crucial for diagnosis and management.

    Observation:

    • A 17-week-old fetus presented with sireniform malformation.
    • Severe malformations of the urogenital system and lower intestinal tract were observed.
    • Specific diagnostic ultrasound findings include defective fetal limb movement and medial positioning of fibulae.

    Findings:

    • The case exhibited characteristic lower limb fusion.
    • Associated severe urogenital and lower intestinal tract malformations were present.

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  • Review of literature and discussion of genesis theories are provided.

    • Implications:

    • Early and accurate diagnosis of sireniform malformation is possible with ultrasound.
    • Identifying key ultrasound markers can aid in prenatal detection.
    • This case contributes to the understanding of sirenomelia and its associated anomalies.