Equine orbital disease: A review

Pucket, Jonathan D.

doi:10.1111/eve.12515

Cited by 5 publications

(5 citation statements)

References 45 publications

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“…Neoplasia comprised over half of the diagnoses, with the most prevalent tumour type in this population being a neuroendocrine tumour. This supports previous documentation of this tumour type as a common primary orbital neoplasm in the horse (Matiasek et al 2007;Pucket 2017). This tumour can be invasive and result in bony destruction through the calvarium.…”

supporting

confidence: 91%

“…This supports previous documentation of this tumour type as a common primary orbital neoplasm in the horse (Matiasek et al . ; Pucket ). This tumour can be invasive and result in bony destruction through the calvarium.…”

Section: Discussionmentioning

confidence: 99%

“…Equine retrobulbar disease occurs rarely but can have significant impact, potentially affecting vision, use, and survival of the horse (Pucket ). Retrobulbar disease in horses presents a clinical challenge as a definitive diagnosis (aetiology and location) requires advanced imaging (computed tomography or magnetic resonance imaging) followed by sampling or surgical techniques, which may be viewed as costly and invasive.…”

Section: Introductionmentioning

confidence: 99%

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Equine retrobulbar disease: Diagnoses and outcomes of 15 horses with exophthalmos (1988–2017)

Knickelbein

Holmberg²,

Lassaline

2019

Equine Veterinary Education

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Summary Retrobulbar disease, while rare in horses, can pose a clinical challenge due to the advanced diagnostic procedures necessary to determine the underlying aetiology and extent of disease. The goal of this study was to explore definitive causes of exophthalmos within a hospital population and investigate prognoses for the various aetiologies. Retrospective medical record review was used to identify 15 horses diagnosed with a definitive cause of exophthalmos. Patient signalment, disease duration, eye affected, diagnostic procedures, therapies, and histopathological diagnosis were evaluated. Geldings (12/15, or 80%) were over‐represented (P = 0.014). Mean age at presentation (14 ± 6.7 years) was not significantly different for horses with (14 ± 8.5 years) and without (15 ± 4.4 years) a diagnosis of neoplasia. Diagnosis of a neoplastic process was made in 8/15 horses (53.3%) with neuroendocrine tumour being most common. Eight of the 15 cases were classified as primary orbital disease, and seven represented extension from paranasal sinus disease. Two novel diagnoses were identified: cystic hamartoma arising from the lacrimal gland and orbital aspergillosis secondary to sinonasal disease. In total, eight of 12 horses for which follow‐up was available were euthanised due to orbital disease, two immediately following computed tomography of the skull and six due to disease progression. One horse was euthanised following a peri‐anaesthetic complication. Three horses were lost to follow‐up. Of the 12 horses for which follow‐up was available, only four (33.3%) were alive 21 months post‐diagnosis. Considering only patients for whom a definitive diagnosis was obtained, retrobulbar disease was associated with a poor prognosis for life.

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supporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Equine retrobulbar disease: Diagnoses and outcomes of 15 horses with exophthalmos (1988–2017)

Knickelbein

Holmberg²,

Lassaline

2019

Equine Veterinary Education

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“…Redness of the eyelids and third eyelid can result from blepharitis (traumatic, bacteria, fungal, immune mediated, etc. ), neoplasia (Montgomery ), orbital disease leading to exophthalmos and eyelid swelling (Pucket ). It has also been seen with trauma and traumatic lacerations of the eyelids.…”

Section: Prioritised Differentialsmentioning

confidence: 99%

“…Eyelid/third eyelid (Pucket 2017). It has also been seen with trauma and traumatic lacerations of the eyelids.…”

Section: Prioritised Differentialsmentioning

confidence: 99%