Diffuse iris melanoma leading to secondary glaucoma in a lion (
                    Panthera leo
                    )—A case report

Jade Caproni Correa; Matheus Vilardo Loés Moreira; Manoel Lucas Javorouski; Juliana Werner; Gillian Shaw; Barbara Schreider; Ricardo Guilherme D'Otaviano de Castro Vilani; Fabiano Montiani‐Ferreira

doi:10.1111/vop.13307

journal article Dec 01, 2024

Diffuse iris melanoma leading to secondary glaucoma in a lion ( Panthera leo )—A case report

Jade Caproni Correa Matheus Vilardo Loés Moreira

Manoel Lucas Javorouski Juliana Werner Gillian Shaw Barbara Schreider

Ricardo Guilherme D'Otaviano de Castro Vilani

Fabiano Montiani‐Ferreira

Veterinary Ophthalmology Vol. 29 No. 1 · Wiley

View at Publisher Save 10.1111/vop.13307

Abstract

Abstract

Objective

To describe the case of a 12‐year‐old male African lion (
Panthera leo
) presented with ocular discharge, corneal edema, and buphthalmos of the right eye.

Procedures
Ocular ultrasonography showed an intraocular mass involving the iris and ciliary body. Enucleation was performed.

Results
Subsequent histopathological analysis revealed a pleomorphic pigmented neoplastic cell population infiltrating, expanding and effacing the iris and ciliary body and occupying the ciliary cleft. The histopathological and immunohistochemical features were consistent with a diffuse iris melanoma (DIM).

Conclusion
DIM is the most common primary intraocular neoplasm of domestic cats, but rarely reported in large felids. The prognosis in large felids is unknown and warrants identifying additional cases and careful monitoring of affected individuals.

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Citations

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References

Details

Published: Dec 01, 2024
Vol/Issue: 29(1)
License: View

Authors

J

Jade Caproni Correa

Departamento de Medicina Veterinária Universidade Federal do Paraná (UFPR) Curitiba Brazil

M

Matheus Vilardo Loés Moreira

Laboratory of Veterinary Pathology MVL Patologia Veterinária Belo Horizonte Brazil

M

Manoel Lucas Javorouski

Divisão de Zoológico do Departamento de Pesquisa e Conservação da Fauna da Prefeitura Municipal de Curitiba Curitiba Brazil

J

Juliana Werner

Werner & Werner—Laboratório de Patologia Veterinária Curitiba Brazil

G

Gillian Shaw

University of Wisconin‐Madison Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW) Madison Wisconsin USA

B

Barbara Schreider

Departamento de Medicina Veterinária Universidade Federal do Paraná (UFPR) Curitiba Brazil

R

Ricardo Guilherme D'Otaviano de Castro Vilani

Departamento de Medicina Veterinária Universidade Federal do Paraná (UFPR) Curitiba Brazil

F

Fabiano Montiani‐Ferreira

Departamento de Medicina Veterinária Universidade Federal do Paraná (UFPR) Curitiba Brazil

Cite This Article

Jade Caproni Correa, Matheus Vilardo Loés Moreira, Manoel Lucas Javorouski, et al. (2024). Diffuse iris melanoma leading to secondary glaucoma in a lion ( Panthera leo )—A case report. Veterinary Ophthalmology, 29(1). https://doi.org/10.1111/vop.13307

Diffuse iris melanoma leading to secondary glaucoma in a lion ( Panthera leo )—A case report

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