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Related Experiment Videos

The femoral head notch.

M B Ozonoff, F M Ziter

    Skeletal Radiology
    |January 1, 1987
    PubMed
    Summary

    A notch-like defect in the proximal femur is a normal finding in children, not Legg-Calvé-Perthes disease. This distinct feature helps differentiate it from other hip ossification irregularities.

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    Connecticut medicine·1987

    Area of Science:

    • Pediatric Orthopedics
    • Skeletal Development
    • Radiology

    Background:

    • The proximal femoral ossification center in children can present with variations.
    • A specific notch-like defect is frequently observed.
    • This finding is often misdiagnosed as Legg-Calvé-Perthes disease.

    Purpose of the Study:

    • To describe the characteristics of a notch-like defect at the proximal femoral ossification center.
    • To differentiate this normal variant from pathological conditions like Legg-Calvé-Perthes disease.
    • To aid clinicians in accurate diagnosis and avoid unnecessary interventions.

    Main Methods:

    • Radiographic analysis of pediatric hip imaging.
    • Comparative assessment of ossification patterns.
    • Description of morphological features of the defect.

    Main Results:

    • A sharply defined, notch-like defect at the vertex of the proximal femoral ossification center is identified.
    • This finding represents a normal developmental variant.
    • The defect's morphology is distinct from the irregular patterns seen in Legg-Calvé-Perthes disease.

    Conclusions:

    • The notch-like defect is a common, benign variant in pediatric proximal femoral ossification.
    • Radiologists and orthopedic surgeons should recognize this finding to prevent misdiagnosis of Legg-Calvé-Perthes disease.
    • Accurate identification of this variant ensures appropriate patient management.

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