Masseter myodegeneration as a cause of trismus or dysphagia in adult horses.

@article{Pearson2005MasseterMA,
  title={Masseter myodegeneration as a cause of trismus or dysphagia in adult horses.},
  author={Erwin G Pearson and S P Snyder and Montague N Saulez},
  journal={The Veterinary record},
  year={2005},
  volume={156 20},
  pages={642-6}
}
The medical records of eight horses with histological evidence of myodegeneration of the masseter muscles were examined. While they were alive their most common clinical signs had included difficulty in eating or opening their mouths, weight loss, difficulty in moving, and noticeable atrophy of the masseter muscles. The serum activities of muscle enzymes were abnormally high in all of the horses. Whole blood and/or liver selenium and vitamin E concentrations were less than the reference ranges… CONTINUE READING