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Equine Orthopaedics and Rheumatology Q&A 10 (view source)
Revision as of 11:01, 27 May 2011
, 11:01, 27 May 2011no edit summary
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'''A 10-year old Quarterhorse roping gelding presented for sudden onset lameness of the left forelimb. An arthroscopic view of the left midcarpal joint is illustrated.'''
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<FlashCard questions="4">
<FlashCard questions="4">
|q1=What is your diagnosis?
|q1=What lesion is present?
|a1=A fracture of the distal part of one of the splint bones.
|a1=Cartilage loss/erosion on the medial palmar aspect of the distal articular surface of the radial carpal bone.
|l1=
|l1=
|q2=Assuming that the injury is not associated with external trauma, how is it likely to have occurred?
|q2=What is the likely diagnosis?
|a2=
|a2=
Osteoarthritis of the left mid-carpal joint.
|l2=
|l2=
|q3=What associated structure may have been injured?
|q3=What would be the best approach to treating this horse?
|a3= The adjacent suspensory ligament branch may have been sprained or even ruptured.
|a3=The defect, which was confined to the medial aspect of the radial carpal bone, could be debrided. <br><br>
In addition, the joint could be treated intra-articularly with hyaluronan or poly-sulphated glycosaminoglycan, supplemented with systemic therapy with these drugs and possibly non-steroidal anti-inflammatory agents.
|l3=
|l3=
|q4= If the horse has both problems, which is most likely to cause persistent lameness?
|q4= What is your prognosis?
|a4= The splint bone fracture is unlikely to heal by bony union, but the fibrous union formed does not usually cause any problems. <br><br>
|a4= When osteoarthritis is present and appears to have occurred insidiously, the prognosis is guarded. <br>Even if the problem is resolved in the short term, the owner needs to be warned that the lameness could recur at any time, and on subsequent occasions it may be refractory to further treatment.
|l4=
|l4=
</FlashCard>
</FlashCard>
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[[Category:Equine Orthopaedics and Rheumatology Q&A]]
[[Category:Equine Orthopaedics and Rheumatology Q&A]]