Liquid Nitrogen Cryosurgery for Cutaneous and Ocular Neoplasms in Koi (Cyprinus Carpio) and Goldfish (Carassius Auratus): Eight Cases (2018–2019)

Ang, June; Kim, Soohyun; Watson, Katherine D.; Pierezan, Felipe; Berg, Kyra J.; Yazdi, Zeinab; Murphy, Christopher J.; Soto, Esteban

doi:10.1638/2020-0102

Cited by 1 publication

(5 citation statements)

References 29 publications

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“…Before resorting to euthanasia, we highlight that several available treatment options for neoplasms in fish should be considered for corneal masses. 52 This is especially important as none of the fish in the present study demonstrated abnormal swimming or navigation or difficulty locating food, even those with severe corneal opacification in both eyes. Domestic fish typically have poor vision compared to humans and they possess a lateral line system that allows them to detect objects in close proximity without vision.…”

Section: Speciesmentioning

confidence: 72%

“…Due to financial and welfare considerations, fish with neoplasia are sometimes euthanized. Before resorting to euthanasia, we highlight that several available treatment options for neoplasms in fish should be considered for corneal masses 52 . This is especially important as none of the fish in the present study demonstrated abnormal swimming or navigation or difficulty locating food, even those with severe corneal opacification in both eyes.…”

Section: Discussionmentioning

confidence: 83%

“…Spindle cell tumors often occur in fish skin, with peripheral nerve sheath tumors being the most frequently reported neoplasms in goldfish 51 . Our team has previously reported corneal spindle cell tumors in carp treated with cryotherapy 52 …”

Section: Discussionmentioning

confidence: 99%

“…Cryotherapy or chemotherapy can also be considered 40 . Liquid nitrogen contained in a cryosurgical unit was successfully employed to treat a case of corneal melanophoroma and spindle cell tumor 52 . Two cases showed complete resolution with restored transparent corneal layers and typical corneal topography, and one corneal mass did not progress or enlarge in size after cryotherapy.…”

Section: Discussionmentioning

confidence: 99%

“…51 Our team has previously reported corneal spindle cell tumors in carp treated with cryotherapy. 52 Due to financial and welfare considerations, fish with neoplasia are sometimes euthanized. Before resorting to euthanasia, we highlight that several available treatment options for neoplasms in fish should be considered for corneal masses.…”

Section: Speciesmentioning

confidence: 99%

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Clinical and histopathological features of proliferative corneal lesions in Cyprininae fishes: Implications for treatment and insights into corneal tumors

Kim

Moore

Parker

et al. 2023

Veterinary Ophthalmology

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Captive fish populations, such as those encompassing aquarium and pet fish, offer significant economic value and are integral to conservation, research, and education. However, these ornamental fish exhibit a reduced ability to protect their ocular surfaces, and our understanding of the ocular diseases that affect them remains limited. Although corneal neoplasms in carp are uncommon, identifying their distinct characteristics is crucial in selecting appropriate therapeutic interventions that aim to preserve vision, prevent the ocular loss, and ultimately ensure the survival of the affected fish. This study provides clinical and histopathological details of various proliferative corneal masses in Cyprininae species, including five koi (Cyprinus carpio) and four goldfish (Carassius auratus). It discusses a spectrum of neoplasms, including soft tissue sarcoma, spindle cell sarcoma, chromatophoroma, and papilloma, in addition to conditions like exuberant granulation tissue and proliferative carp pox. These findings bear significant implications for clinical decision‐making and treatment, offering valuable insights into the incidence and characteristics of corneal tumors in captive fish, which could inform further studies in this area.

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Section: Speciesmentioning

confidence: 72%

Section: Discussionmentioning

confidence: 83%