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Sulfur colloid distribution in normal hips.

A G Williams, F A Mettler, J H Christie

    Clinical Nuclear Medicine
    |October 1, 1983
    PubMed
    Summary
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    Technetium Tc-99m sulfur colloid uptake in the hip was analyzed in 100 healthy patients. Findings establish a normal distribution pattern crucial for assessing femoral head vasculature, especially after fractures.

    Area of Science:

    • Nuclear Medicine
    • Radiology
    • Orthopedics

    Background:

    • Assessing femoral head vasculature is critical in diagnosing hip disorders and post-fracture complications.
    • Understanding normal radiotracer distribution patterns aids in identifying abnormal findings.
    • Technetium Tc-99m sulfur colloid scintigraphy is a valuable tool for evaluating bone and joint pathology.

    Purpose of the Study:

    • To describe the normal distribution pattern of Technetium Tc-99m sulfur colloid in the hips of asymptomatic individuals.
    • To establish reference parameters for evaluating femoral head vasculature using Tc-99m sulfur colloid scintigraphy.
    • To determine the significance of uptake symmetry and pattern in the femoral neck and head.

    Main Methods:

    • One hundred patients with no clinical or radiographic evidence of hip disorders underwent Tc-99m sulfur colloid scintigraphy.

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  • The distribution and symmetry of radiotracer uptake in the femoral neck and femoral head were analyzed.
  • Scintigraphic images were evaluated for patterns of uptake in both hips.

    • Main Results:

    • Two-thirds of patients showed Tc-99m sulfur colloid uptake in the femoral neck, with some uptake in the femoral head.
    • One-third of patients exhibited no detectable uptake in the femoral head.
    • A high degree of symmetry in radiotracer distribution between the two hips was observed.

    Conclusions:

    • The study successfully characterized the normal distribution of Tc-99m sulfur colloid in the hip.
    • Symmetry and specific uptake patterns in the femoral neck and head are key indicators of normal vasculature.
    • These findings are essential for accurate interpretation of femoral head vasculature, particularly following fractures.