Osteonecrosis of the femoral head of growing, spontaneously hypertensive rats.

@article{Hirano1988OsteonecrosisOT,
  title={Osteonecrosis of the femoral head of growing, spontaneously hypertensive rats.},
  author={Tsutomu Hirano and Koji Iwasaki and Yoko Yamane},
  journal={Acta orthopaedica Scandinavica},
  year={1988},
  volume={59 5},
  pages={530-5}
}
The femoral head lesions of male spontaneously hypertensive rats (SHRs), which occur naturally and resemble Perthes' disease in man, were investigated radiographically and histologically. In the early phase of growth in SHRs, i.e., a period of 6 to 15 weeks after birth, the femur was shorter than that of control rats, and ossification in the epiphysis of the femoral head was considerably retarded. Osteonecrosis of the femoral head of SHRs appeared at the age of 9 weeks, and occurred in eight… CONTINUE READING