Ocular Cytology of the Dog

Trumel, Cathy; Douet, Jean‐Yves; Granat, Fanny

doi:10.1002/9781119380559.ch19

Cited by 2 publications

(4 citation statements)

References 92 publications

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“…23 However, neoplastic cells may not always be present in the aqueous humor. 22,23 PARR can also be performed to confirm lymphocytic clonality. 1 In humans, ocular lymphoma may either arise from outside of the CNS and metastasise to the eye, or it may primarily involve the retina as a form of primary CNS lymphoma (PCNSL), also known as primary intraocular lymphoma.…”

Section: Discussionmentioning

confidence: 99%

“…Normal aqueous humor has a low protein concentration, is clear and colourless, and requires rapid assessment following collection, similar to CSF. In the presence of high‐grade ocular lymphoma, the aqueous humor protein content may be markedly increased 23 . However, neoplastic cells may not always be present in the aqueous humor 22,23 .…”

Section: Discussionmentioning

confidence: 99%

“…In the presence of high‐grade ocular lymphoma, the aqueous humor protein content may be markedly increased 23 . However, neoplastic cells may not always be present in the aqueous humor 22,23 . PARR can also be performed to confirm lymphocytic clonality 1 …”

Section: Discussionmentioning

confidence: 99%

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Diagnosis of lymphoma based on magnetic resonance imaging, analysis of cerebrospinal fluid, intraocular fluid and fine‐needle aspirate of a uveal mass lesion in a dog

Santifort,

Plonek,

Kraijer‐Huver

et al. 2024

Vet Record Case Reports

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A 10.5‐year‐old, male, entire labrador retriever dog was presented for chronic progressive ataxia and recent onset of a left‐sided head tilt and salivation. Neurological examination findings were deemed consistent with a multifocal brain and spinal cord neuroanatomic localisation. Ophthalmological examination of the right eye revealed pupil shape abnormality (dyscoria), a pale uveal mass lesion and white cellular sediment in the anterior chamber. Magnetic resonance imaging of the brain, eyes, thoracolumbar and lumbosacral spinal cord and surrounding structures showed multiple lesions affecting the central nervous system (brain), peripheral nervous system (left trigeminal nerve) and right eye. Cerebrospinal fluid, right eye anterior chamber fluid and fine‐needle aspirate biopsy of the uveal mass lesion yielded a cytological diagnosis of lymphoma (suspected large granular lymphocytic). The dog was discharged with palliative treatment and euthanased at home 4 days later. This case report documents the cytological diagnosis of lymphoma in the cerebrospinal fluid, intraocular fluid and fine‐needle aspirate of a uveal mass in a dog.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Diagnosis of lymphoma based on magnetic resonance imaging, analysis of cerebrospinal fluid, intraocular fluid and fine‐needle aspirate of a uveal mass lesion in a dog

Santifort,

Plonek,

Kraijer‐Huver

et al. 2024

Vet Record Case Reports

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“…The slide was air-dried and stained using Dip Quik (JorVet, USA). Evaluator I (2 nd author) mostly had theoretical experience in ocular cytology that comprised reviewing of books, pictures, atlases, and online materials [2,[5][6][7][8]. Evaluator II (1 st author) had undergone clinical pathology residency training and had 16 years of practical experience.…”

Section: Animals and Samplingmentioning

confidence: 99%

Difference in cytological findings of healthy and conjunctivitis/keratoconjunctivitis affected canine eyes between variably experienced evaluators

2022

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Background and Aim: Cytology investigations are a frequent part of ophthalmological examination. We aimed to assess whether the cytological findings of healthy and conjunctivitis/keratoconjunctivitis samples differed based on the evaluator's experience. Materials and Methods: A study evaluated healthy eyes (n = 40) and eyes affected with keratoconjunctivitis and/ or conjunctivitis (n = 28) in dogs. An ophthalmological examination was performed before sampling the eyes using a sterile cotton swab. An evaluator with theoretical experience and one with undergone clinical pathology residency training performed cytology blinded to the clinical findings. Results: In the healthy eyes group, the agreement between the evaluators for cellularity was nonexistent, while that for cell preservation and mucus content was fair. In the affected eyes group, the agreement for cellularity and mucus content was moderate, while that for cell preservation was fair. The inadequate sample rate differed significantly between the two evaluators in the healthy eyes group (p = 0.006) but not in the affected eyes group (p = 0.083). Bacterial presence was detected by both evaluators, and the findings did not differ statistically from the bacteriology results (p = 0.05). Significant variations were noted in the differential cell count; the mean count of the superficial epithelial cells and goblet cells of the healthy eyes group (p < 0.05) and that of the basal/intermediate cells and neutrophils of the affected eyes (p < 0.05) showed significant differences. Conclusion: The evaluator's experience significantly affected the differential cell count in both the healthy and affected eyes groups. Neutrophil degeneration was not observed by the less experienced evaluator, whereas bacteria were detected equally well by both the evaluators.

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Ocular Cytology of the Dog

Cited by 2 publications

References 92 publications

Diagnosis of lymphoma based on magnetic resonance imaging, analysis of cerebrospinal fluid, intraocular fluid and fine‐needle aspirate of a uveal mass lesion in a dog

Diagnosis of lymphoma based on magnetic resonance imaging, analysis of cerebrospinal fluid, intraocular fluid and fine‐needle aspirate of a uveal mass lesion in a dog

Difference in cytological findings of healthy and conjunctivitis/keratoconjunctivitis affected canine eyes between variably experienced evaluators

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