Osteonecrosis of the femoral head: a prospective study with MRI.

@article{Sakamoto1997OsteonecrosisOT,
  title={Osteonecrosis of the femoral head: a prospective study with MRI.},
  author={Minami Sakamoto and Kensaku Shimizu and Shinsuke Iida and Tohru Akita and Hideshige Moriya and Y Nawata},
  journal={The Journal of bone and joint surgery. British volume},
  year={1997},
  volume={79 2},
  pages={213-9}
}
We performed a prospective study using MRI to evaluate early necrosis of the femoral head in 48 patients receiving high-dose corticosteroids for the treatment of various autoimmune-related disorders. The mean interval from the initiation of corticosteroid therapy to the first MRI examination was 2 months (0.5 to 6). MRI was repeated, and the mean period of… CONTINUE READING