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Related Experiment Videos

-Lesser known stress fractures-

M Wybier1, B Hamze, P Champsaur

  • 1Service de Radiologie Ostéo-articulaire, Hôpital Lariboisière, Paris.

Annales De Radiologie
|January 1, 1997
PubMed
Summary
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Imaging findings for tibial, femoral, sacral, and pubic insufficiency fractures are detailed. Bone scanning and CT scans reveal specific patterns aiding diagnosis, differentiating them from other bone conditions.

Area of Science:

  • Radiology
  • Orthopedic Imaging
  • Bone Pathology

Background:

  • Insufficiency fractures are common in the tibia, femur, sacrum, and pubis.
  • These fractures can be challenging to diagnose using conventional radiography.
  • Advanced imaging modalities are crucial for accurate detection and characterization.

Purpose of the Study:

  • To describe the characteristic imaging findings of insufficiency fractures in the tibia, femur, sacrum, and pubis.
  • To highlight the utility of bone scanning and computed tomography (CT) in diagnosing these fractures.
  • To differentiate insufficiency fractures from other bone pathologies.

Main Methods:

  • Review of imaging findings from plain films, bone scans, and CT scans of patients with confirmed insufficiency fractures.

Related Experiment Videos

  • Analysis of fracture orientation, periosteal reactions, and specific uptake patterns on bone scintigraphy.
  • Correlation of imaging findings with clinical presentation.

    • Main Results:

    • Tibial stress fractures show longitudinal orientation on bone scans and radial fractures on CT.
    • Femoral insufficiency fractures present as vertically oriented cortical dissections.
    • Sacral fractures exhibit an H-shaped uptake on bone scans, and pubic fractures may mimic bone destruction on CT without soft tissue mass.

    Conclusions:

    • Bone scanning and CT provide specific diagnostic patterns for insufficiency fractures.
    • These advanced imaging techniques are essential for accurate diagnosis, especially when plain films are equivocal.
    • Understanding these imaging features aids in differentiating insufficiency fractures from other osseous lesions.