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==Introduction==
==Introduction==
Lameness is an indication of a '''structural or functional disorder in one or more limbs''' or the back that is evident while the horse is standing or in movement.
Lameness is an indication of a '''structural or functional disorder in one or more limbs''' or the back that is evident while the horse is standing or in movement.
===MRI===
===MRI===
This is primarily used for the assessment of structures in the foot due to equipment and size constraints.
This is primarily used for the assessment of '''structures in the foot''' such as the Deep Digital Flexor Tendon, ligaments and navicular bone, due to equipment and size constraints.
===CT===
===CT===
Use of CT is limited to the '''head, legs and cranial part of the neck''' due to the size of the gantry opening. A general anaesthetic is necessary.
It is useful for evaluating '''subchondral bone disease, [[osteoarthritis]] and complex bone fractures'''. It also allows bone density measurements to be made.
===Scintigraphy===
===Scintigraphy===
This is a physiologic imaging technique that assesses '''metabolism and circulation'''. Radioactive particles are administered intravenously and their distribution is evaluated by a gamma camera. They accumulate in areas of active bone remodelling and also in areas of soft tissue injury due to increased blood flow to the area.
This is a physiologic imaging technique that assesses '''metabolism and circulation'''. Radioactive particles are administered intravenously and their distribution is evaluated by a gamma camera. They accumulate in areas of active bone remodelling and also in areas of soft tissue injury due to increased blood flow to the area.
{{Learning
|flashcards = [[Equine Orthopaedics and Rheumatology Q&A 07]]
}}
{{Chapter}}
{{Mansonchapter
|chapterlink = http://www.mansonpublishing.co.uk/book-images/9781840761191_sample.pdf
|chaptername = Approach to the lame horse
|book = Equine Clinical Medicine, Surgery and Reproduction
|author = Graham Munroe, Scott Weese
|isbn =9781840761191
}}
==References==
==References==
Kahn, C. (2005) '''Merck Veterinary Manual''' ''Merck and co''
Kahn, C. (2005) '''Merck Veterinary Manual''' ''Merck and co''
Stashak, T. (1996) '''Practice guide to lameness in horses''' ''Wiley-Blackwell''
Stashak, T. (1996) '''Practice guide to lameness in horses''' ''Wiley-Blackwell''
[[Category:To Do - Helen]]
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[[Category:Musculoskeletal Diseases - Horse]]
[[Category:Expert Review - Horse]]