Occipitoatlantoaxial malformation in a Quarter Horse foal

Gonda, C.; Crisman, Mark V.; Moon, Martha L.

doi:10.1111/j.2042-3292.2001.tb00114.x

Cited by 9 publications

(17 citation statements)

References 2 publications

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“…; Gonda et al . ). In some cases, ataxia develops progressively to the age of 2–3 years (Wilson et al .…”

Section: Discussionmentioning

confidence: 97%

“…; Watson and Mayhew ; Gonda et al . ). This present report characterises OAAM in a Warmblood horse using multiple diagnostic imaging modalities and post‐mortem examination.…”

Section: Discussionmentioning

confidence: 97%

“…Gonda et al . () described another case of OAAM in a 7‐day‐old Quarter Horse colt. Radiographic examination of this colt revealed deformation and shortening of the transverse processes and the dens of C2, thus inducing a subluxation of the dens ventral to C1.…”

Section: Discussionmentioning

confidence: 99%

“…; Gonda et al . ) show that it should be on the list of differential diagnoses for foals and young horses of other breeds showing signs of cervical spinal ataxia. Furthermore, this case report provides evidence that the malformations associated with OAAM are not restricted to the bones but can also involve the musculature.…”

Section: Discussionmentioning

confidence: 99%

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Congenital occipitoatlantoaxial malformation in a Warmblood mare

Brünisholz

Wildhaber

Hoey

et al. 2017

Equine Veterinary Education

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Summary A 3‐year‐old Warmblood mare was presented with spinal ataxia of 3 months’ duration. Clinically, reduced mobility of the neck and a prominent atlas were identified. Neurological evaluation revealed hypermetria, circumduction and reduced proprioception, predominantly in the hindlimbs. Occipitoatlantoaxial malformation (OAAM) was diagnosed based on radiography and computed tomography, and confirmed on post‐mortem magnetic resonance imaging and pathological examination. Both the atlas and axis were hypoplastic and dysplastic, and a fusion of the atlanto‐occipital joint was found. A dynamic compression of the spinal cord was present at the first and second cervical vertebrae. Histologically, the spinal cord was degenerated due to compression. Furthermore, there were muscular malformations including a fibrotic obliquus capitis cranialis muscle, aplasia of parts of the rectus capitis muscles and presence of additional abnormal muscle. Such muscular abnormalities associated with OAAM have not been reported yet and this is the first report of a case of OAAM in a Warmblood horse.

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“…; Gonda et al . ). In some cases, ataxia develops progressively to the age of 2–3 years (Wilson et al .…”

Section: Discussionmentioning

confidence: 97%

“…; Watson and Mayhew ; Gonda et al . ). This present report characterises OAAM in a Warmblood horse using multiple diagnostic imaging modalities and post‐mortem examination.…”

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations