Today’s case takes you into the world of equine nuclear scintigraphy! For those of you that haven’t seen one before, we inject Technetium-99m-MDP, which is a radioisotope that localizes to active bone. After a few hours, we can take the images and find areas of increased uptake that can indicate inflammation, fracture, or neoplasia. The images will look grainy because they have low spatial resolution, but they are very sensitive to small changes in activity. This type of functional imaging can give us a lot of information about biological processes. Take a look!
The case is a 4 year old Thoroughbred filly in race training with intermittent right hind limb lameness for the last few months.
Radiographs of the tarsus and tibia are normal.
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