Fate of very small asymptomatic stage-I osteonecrotic lesions of the hip.

@article{Hernigou2004FateOV,
  title={Fate of very small asymptomatic stage-I osteonecrotic lesions of the hip.},
  author={Philippe Hernigou and Alexandre Poignard and Alexis Nogier and Olivier Manicom},
  journal={The Journal of bone and joint surgery. American volume},
  year={2004},
  volume={86-A 12},
  pages={2589-93}
}
BACKGROUND The prognosis for a patient with osteonecrosis of the hip is generally considered to be worse if a large volume of the femoral head is involved, the patient is symptomatic, and the stage of the lesion is advanced. In 1990, we began a prospective study to detect collapse in asymptomatic hips with a very small stage-I osteonecrotic lesion in the femoral head. We hypothesized that such patients would have a favorable prognosis. These hips were followed for a minimum of ten years after… CONTINUE READING

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Clinical and radiographic signs of progression of the disease in asymptomatic hips with a very small asymptomatic lesion progress more slowly than do those signs in hips with a large symptomatic stage - II lesion . Because hips with a small area of osteonecrosis do collapse in a large percentage of patients , such patients should be followed carefully over a long period of time .
Clinical and radiographic signs of progression of the disease in asymptomatic hips with a very small asymptomatic lesion progress more slowly than do those signs in hips with a large symptomatic stage - II lesion . Because hips with a small area of osteonecrosis do collapse in a large percentage of patients , such patients should be followed carefully over a long period of time .
Clinical and radiographic signs of progression of the disease in asymptomatic hips with a very small asymptomatic lesion progress more slowly than do those signs in hips with a large symptomatic stage - II lesion . Because hips with a small area of osteonecrosis do collapse in a large percentage of patients , such patients should be followed carefully over a long period of time .
Clinical and radiographic signs of progression of the disease in asymptomatic hips with a very small asymptomatic lesion progress more slowly than do those signs in hips with a large symptomatic stage - II lesion . Because hips with a small area of osteonecrosis do collapse in a large percentage of patients , such patients should be followed carefully over a long period of time .
Multiple radiographic views and computerized tomography scans may be required to demonstrate small areas of collapse .
Multiple radiographic views and computerized tomography scans may be required to demonstrate small areas of collapse .
Multiple radiographic views and computerized tomography scans may be required to demonstrate small areas of collapse .
Multiple radiographic views and computerized tomography scans may be required to demonstrate small areas of collapse .
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