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Clinical Rheumatology

, Volume 16, Issue 4, pp 372–377 | Cite as

Bone scintigraphy equipped with a pinhole collimator for diagnosis of avascular necrosis of the femoral head

  • J. F. Maillefert
  • M. Toubeau
  • C. Piroth
  • L. Piroth
  • F. Brunotte
  • C. Tavernier
Originals

Summary

The objective was to compare the sensitivities for diagnosis of avascular necrosis of the femoral head of bone scintigraphy equipped with a pinhole collimator and with an high resolution parallel collimator. Bone scintigraphy equipped with a pinhole collimator and with an high resolution parallel collimator were performed in 16 patients with bilateral (n=7) or unilateral (n=9) avascular necrosis of the femoral head. Bone scintigraphy equipped with a pinhole collimator documented a photopenic defect in 78.3% of the necrotic hips, while bone scintigraphy equipped with an high resolution parallel collimator documented a defect in 47.8%. There was no false-positive diagnosis of avascular necrosis of the femoral head on either bone scintigraphy equipped with a pinhole or with an high resolution parallel collimator. In conclusion, bone scintigraphy equipped with a pinhole collimator has a greater sensitivity for diagnosis of avascular necrosis of the femoral head than bone scintigraphy equipped with an high resolution parallel collimator.

Key words

Hip Necrosis Radionuclide Imaging Diagnostic Use 

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Copyright information

© Clinical Rheumatology 1997

Authors and Affiliations

  • J. F. Maillefert
    • 1
  • M. Toubeau
    • 2
  • C. Piroth
    • 1
  • L. Piroth
    • 3
  • F. Brunotte
    • 2
  • C. Tavernier
    • 1
  1. 1.Department of RheumatologyCHU DijonFrance
  2. 2.Department of Nuclear MedecineCentre GF LeclercDijonFrance
  3. 3.Department of Internal MedecineCHU DijonFrance

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