Ecchordosis physaliphora vertebralis.

@article{Ulich1982EcchordosisPV,
  title={Ecchordosis physaliphora vertebralis.},
  author={Thomas R. Ulich and Joseph M. Mirra},
  journal={Clinical orthopaedics and related research},
  year={1982},
  volume={163},
  pages={282-9}
}
A microscopic ectopic remnant of notochord and hyaline cartilage was an incidental autopsy finding within a vertebral body. Such ectopic notochordal vestiges have been hypothesized to be the origin of vertebral chordomas, but very few have ever been reported. Whereas ectopic notochord has been demonstrated regularly in the spheno-occipital region (in both… CONTINUE READING