Suspected thymic lymphoma with invasion of the gills in a gold crossback arowana (<i><scp>S</scp>cleropages formosus</i>)

Kasantikul, Tanit; Visessripong, A; Chatrungreungkul, S; Lombardini, Eric; Sirimanapong, Wanna

doi:10.1111/jfd.12424

Cited by 4 publications

(6 citation statements)

References 17 publications

(44 reference statements)

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“…They are common tumours in fish. The findings here are similar to tumours seen in gold crossback arowana, Scleropages formosus (Kasantikul, Visessripong, Chatrungreungkul, Lombardini, & Sirimanapong, ) in which cells comprising the tumours had distinct cellular borders, scanty basophilic cytoplasm and hypertrophic, round, hyperchromatic nuclei.…”

supporting

confidence: 81%

Neoplasia in goldlined seabream, Rhabdosargus sarba (Forsskål, 1775)

Singaravel

Gopalakrishnan

Raja

et al. 2017

Journal of Fish Diseases

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supporting

confidence: 81%

Neoplasia in goldlined seabream, Rhabdosargus sarba (Forsskål, 1775)

Singaravel

Gopalakrishnan

Raja

et al. 2017

Journal of Fish Diseases

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“…As in mammals, neoplasms of fish are clinicopathologically classified according to the histogenesis and the benign or malignant nature of the neoplasm [ 40 , 41 ]. Lymphomas are the most common hematopoietic malignant neoplasms in humans and domestic animals [ 25 , 28 , 42 ]. In human oncology, lymphomas of T-cell origin are considered to be more aggressive and have a poorer prognosis in comparison with B-cell lymphoma [ 43 , 44 ].…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, as in canines, the prevalence of T-cell lymphomas appears to be lower in fish than that of B-cell lymphomas. Generally, the thymus and kidney are described as the most common primary sites for neoplastic development [ 28 , 45 ]. However, based on the location of lymphocytic cells in the early stages of the lesion, lymphomas may originate from other organs such as the testis and eye, justifying the diagnosis of oculo-testicular lymphoma in the current study.…”

Section: Discussionmentioning

confidence: 99%

“…According to veterinary literature, lymphomas are common in dogs, cats, and pigs, but comparatively rare in horses and other domestic species [ 16 – 19 ]. Lymphoma, defined as a malignant tumour of lymphoid tissue [ 18 ], has been found in a number of fish species including northern pike ( Esox lucius ) [ 20 , 21 ], Japanese medaka ( Oryzias latipes ) [ 22 , 23 ], coho salmon ( Oncorhynchus kisutch ) [ 24 ], black bullhead ( Ameiurus melas ) [ 25 ], rainbow trout ( Oncorhynchus mykiss ) [ 26 ], flower horn (hybrid cichlid) [ 27 ], gold crossback arowana ( Scleropages formosus ) [ 28 ], Atlantic stingray ( Hypanus sabinus ) [ 29 ] and captive white catfish ( Ameiurus catus Linnaeus) [ 30 ].…”

Section: Introductionmentioning

confidence: 99%

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A rare case of ocular and testicular T-cell lymphoma in a hermaphrodite koi carp (Cyprinus carpio Linnaeus 1758): clinical, histopathological, and immunohistochemical study

et al. 2023

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Background Lymphatic neoplasia may occur in various types, such as lymphoma, lymphosarcoma, lympholeukemia, and plasmacytoid leukemia. Lymphoma, defined as a malignant tumour of lymphoid tissue, has been found in a number of fish families including Esocidae and Salmonidae. However, the occurrence of lymphoma is rare in those belonging to the Cyprinidae. A final diagnosis of ocular and testicular T-cell lymphoma in the present study was based on the clinical signs, morphology, and texture of the tumour masses in the macroscopic and microscopic examinations. In addition, histopathological and immunohistochemical findings corresponded to T-cell lymphoma characteristics. Case presentation A 2-year-old hermaphrodite koi carp (Cyprinus carpio Linnaeus 1758) with a large ocular mass and severe exophthalmia in the right eye was referred to the Ornamental Fish Clinic in October 2020. Under anesthesia, enucleation was performed. 57 days after enucleation of the right eye, exophthalmia in the left eye was discovered. 221 days after surgery, the fish was discovered to be dead. At necropsy, a large soft tissue mass attached to the left testis was discovered. There were also small whitish nodules on the surface of the liver. Histopathology revealed a hypercellular ocular mass with scant connective tissue. The sections also revealed multifocal hemorrhages, round to ovoid neoplastic cells, mild-to-moderate anisokaryosis and anisocytosis, and mitotic figures. Basophilic neoplastic cells were found in blood vessels within the testicular mass, raising the possibility of systemic spread. The liver showed microscopic metastasis with morphologic similarities to the ocular and testicular tumors. The neoplastic cells infiltrating the left and right eyes as well as the testicular mass were immunohistochemically positive for CD3 but negative for CD20. The masses were diagnosed as T-cell lymphoma based on histopathological and immunohistochemical findings. Conclusions This case report provides the first evidence of clinical, histopathological, morphological, and immunohistochemical findings of an ocular and testicular T-cell lymphoma in a hermaphrodite koi carp (Cyprinus carpio) in Iran.

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“…As it has been adequately described in scientific literature, dissection often reveals diphtheroid crusts or neoplasms in the intestine of many species, including fish (Kardeván, 1976). Although tumour‐induced intussusception in other animal species, for example in horses, has been well documented (Zauscher et al., 2015), and the development of tumours has been described extensively in salmonids as well as in other fish species, reports about tumour‐induced intussusception in fish remain scarce (Dale et al., 2009; Kasantikul et al., 2016). Several factors can lead to tumour development in fish.…”

Section: Introductionmentioning

confidence: 99%

Intussusception caused by intestinal neoplasia in mature rainbow trout (Oncorhynchus mykiss, Walbaum 1792)

Hoitsy

Jakab³

et al. 2021

Journal of Fish Diseases

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The aquaculture industry is growing and includes the farming and breeding of more than 580 aquatic species worldwide. The rainbow trout (Oncorhynchus mykiss, Walbaum 1792) is the most commonly bred trout species in Hungary. As broodfish form the basis of most fish farms, investigation into tumours occurring in trout, although under‐researched, has proven to be a valuable and necessary field of study. During our investigation, we examined a broodstock of 3‐ to 6‐year‐old rainbow trouts (800) affected with idiopathic intestinal tumours (3%) which had consequentially led to ileus (40%). While performing necropsy, initial pathological observations showed intussusceptions. Tumours were discovered upon opening the body cavity, as well as metastasis forming in the livers and in the vessels of the gills. Histopathological and immunohistochemical tests allowed us to identify the neoplasms. The primary adenocarcinoma was found to have been developed within the intestines of the fish. The tumour tissue broke through the basal membrane and infiltrated the propria, protruding asymmetrically into the lumen of the mid‐intestines, causing it to narrow significantly. This subsequently led to passage disorders, invagination of the intestinal segment and finally the emaciation of the fish. Histopathological and immunohistochemical inspection of the tumour cells displayed a high mitotic index, confirming malignancy.

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Suspected thymic lymphoma with invasion of the gills in a gold crossback arowana (Scleropages formosus)

Cited by 4 publications

References 17 publications

Neoplasia in goldlined seabream, Rhabdosargus sarba (Forsskål, 1775)

Neoplasia in goldlined seabream, Rhabdosargus sarba (Forsskål, 1775)

A rare case of ocular and testicular T-cell lymphoma in a hermaphrodite koi carp (Cyprinus carpio Linnaeus 1758): clinical, histopathological, and immunohistochemical study

Intussusception caused by intestinal neoplasia in mature rainbow trout (Oncorhynchus mykiss, Walbaum 1792)

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