Page 756 - Adams and Stashak's Lameness in Horses, 7th Edition

722 Chapter 5

of the LPL and imbrication of the medial joint capsule suc- 3. Anderson BH, Turner TA, Jonson GR. What is your diagnosis?
cumbed to wound dehiscence, infection, or failure of the Fracture of the patella in a horse. J Am Vet Med Assoc 1996;209:
1847–1848.
VetBooks.ir postoperatively. However, the same procedure was suc- 4. Anon R. British Equine Veterinary Association survey of equine
repair. Only one horse was sound in light work 1 year
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diseases. 1962–1963. Vet Rec 1965;77:528.
cessful for stabilizing a congenital bilateral lateral patellar
5. Arighi M, Wilson JW. Surgical correction of medial luxation of the
luxation in a 6‐week‐old Shetland pony. 37 patella in a miniature horse. Can Vet J 1993;34:499–501.
Two of 3 horses that underwent sulcoplasty and 6. Baccarin RYA, Martins EAN, Hagen SCF, et al. Patellar instability
following experimental medial patellar desmotomy in horses. Vet
medial imbrication of the joint capsules to stabilize lat- Comp Orthop Traum 2009;22:27–31.
eral patellar luxations became sound 2 years after sur- 7. Barrett MF, Frisbie DD. Stifle. In Joint Disease in the Horse, 2nd
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gery. In another report, a newborn Shetland pony with ed. McIlwraith CW, et al., eds. Elsevier, St. Louis, MO,
medial patellar luxation underwent sulcoplasty and lat- 2016;354–371.
eral imbrication and was sound 6 months postopera- 8. Bathe AP, O’Hara LK. A retrospective study of the outcome of
medial patellar desmotomy in 49 horses. Proc Am Assoc Equine
tively. Early recognition and correction of the problem Pract 2004;50:476–478.
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likely contributed to the success in this pony. 9. Bergman EHJ, Puchalski SM, Van der Veen H, et al. Computed
tomography and computed tomography arthrography of the
equine stifle: technique and preliminary results in 16 clinical cases.
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SYNOVIAL OSTEOCHONDROMA IN THE HINDLIMB 10. Bindeus T, Vrba S, Gabler C, et al. Comparison of computed radi-
ography and conventional film‐screen radiography of the equine
Osteochondroma is a uni‐ or bilateral benign mass stifle. Vet Radiol Ultrasound 2002;43:455–460.
associated with cartilage growth centers. It is discussed 11. Bourzac C, Alexander K, Rossier Y, et al. Comparison of radiog-
as a distinct entity in Chapter 7. Young horses generally raphy and ultrasonography for the diagnosis of osteochondritis
dissecans in the equine femoropatellar joint. Equine Vet J 2009;41:
present with the problem, but they can remain clinically 686–692, 687.
silent for long periods of time; therefore, it may be seen 12. Brown MP, Moon PD, Buergelt CD. The effects of injection of an
in older horses. In the hindlimb, osteochondroma has iodine counterirritant into the patellar ligaments of ponies: appli-
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cation to stifle lameness. J Equine Vet Sci 1984;4:82–87.
been reported in the femorotibial bursa on the proximal 13. Brunsting JY, Pille FJ, Oosterlinck M, et al. Incidence and risk fac-
lateral tibia, in the plantar distal tibia within the tar- tors of surgical site infection and septic arthritis after elective
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socrural joint, within the tarsal canal on the fibular arthroscopy in horses. Vet Surg 2018;47:52–59.
tarsal bone, and on the calcaneus. However, they 14. Burba DJ, Collier MA. What is your diagnosis? Bilateral congenital
16
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can also be associated with the FP joint (Figure 7.50). patella luxation in horse. J Am Vet Med Assoc 1991;198:693–694.
15. Carter BG, Bertone AL, Weisbrode SE, et al. Influence of methyl-
prednisolone acetate on osteochondral healing in exercised tar-
socrural joints of horses. Am J Vet Res 1996;57:914–922.
Clinical Signs and Diagnosis 16. Chan CCH, Munroe GA, Callanan JJ. Congenital solitary osteo-
Synovial effusion with or without lameness is the chondroma affecting the tarsus in a filly foal. Equine Vet Educ
1996;8:153–156.
usual presenting complaint. The location depends upon 17. Clegg PD, Butson RJ. Treatment of a coxofemoral luxation sec-
which synovial structure is affected. Often the mass can ondary to upward fixation of the patella in a Shetland pony. Vet
be palpated percutaneously and may be bilateral. Rec 1996;138:134–137.
Radiographs usually demonstrate a focal semi‐ossified 18. Colbern GT, Moore JN. Surgical management of proximal articu-
variably sized mass associated with a growth plate or lar fracture of the patella in a horse. J Am Vet Med Assoc
1984;185:543–545.
ossification center. The presenting signs and radio- 19. Dabareiner RM, Sullins KE, White NA. Progression of femoropa-
graphic findings are often sufficient to make a presump- tellar osteochondrosis in nine young horses. Clinical, radiographic
tive diagnosis. Biopsy is usually better performed as and arthroscopic findings. Vet Surg 1993;22:515–523.
excision. The radiographic appearance usually indicates 20. Daglish J, Frisbie DD, Selberg KT, et al. High field magnetic reso-
nance imaging is comparable with gross anatomy for description
that trauma is unlikely. of the normal appearance of soft tissues in the equine stifle. Vet
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21. DeBowes RM, Grant BD, Chalman JA, et al. Fractured patella in
Treatment and Prognosis a horse. Equine Pract 1980;2:49–53.
22. Dik KJ. Ultrasonography of the equine stifle. Equine Vet Educ
In spite of the likelihood of it being a benign lesion, 1995;7:154–160.
complete excision should be accomplished if possible. If 23. Dik KJ, Nemeth F. Traumatic patella fractures in the horse. Equine
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tory therapy. Routine postoperative bandaging and ochondral abnormalities, in the hock and stifle of Dutch warm-
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exercise restriction are tailored to the affected site. 25. Dreismann GM. Conservative treatment of dorsomedial patella
Although intrasynovial therapy is worthy of considera- dislocation in the horse. Biol Tiermed 2003;20:59–61.
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is generally good. Each case is different, and the lesions patella in the horse: a retrospective study. Vet Comp Orthop
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are likely to occur in more unusual locations than have 27. Dyson SJ. Stifle trauma in the event horse. Equine Vet Educ
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28. Dyson SJ. Normal ultrasonographic anatomy and injury of the
patellar ligaments in the horse. Equine Vet J 2002;34:258–264.
29. Dyson SJ, Ross MW. Mechanical and neurological lameness in the
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2. Aldrete AV, Meagher DM. Lag screw fixation of a patellar fracture tures, treatment and outcome in 15 horses with fracture of the
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