Modern veterinary medicine is confronted in a persistent way by basic sciences and new techniques. Various developments in chemistry, biochemistry and physics allow new diagnostic and therapeutic procedures and force the veterinarian to engage in interdisciplinary problems. Nuclear medicine sets a typical example for these tendencies. The use of radioactive substances in medical diagnosis has gained a high standing because of large clinical experiences, numerous experimental results, advances in physics, radiochemistry and marked improvements of the technical equipment. The development of human nuclear medicine in the last two decades has been amazing.
The aim of this book is to substantiate the application of the radioisotope imaging method in the horse by physical, chemical, biochemical, physiological and pharmacological means and to outline its advantages against other imaging methods. It is not a book containing all the information to interpret bone scans in the different regions. Instead, it tries to give the necessary information on how to perform the examination and which possibilities exist for the interpretation process. Examinations can be performed in different ways. Most veterinarians like-to perform scintigraphic examination in the standing horse. This limits the total number of counts that generate the image. Movement of the patient is the limiting factor. Examination in the anaesthetised horse allows the acquisition of large count numbers and images with better resolution and more anatomical detail, but at the cost of the anaesthetic risk.