ネオンテトラの口吻部にできた軟骨腫
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概要
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An adult neon tetra Paracheirodon innesi with a history of difficulty in feeding caused by a mass overwhelming the snout is presented. Macroscopically the fish presented a unilateral, single, nodular and well-circumscribed, perlaceous, firm to hard mass in the left snout region. Histologically, tumor tissue was formed mainly by abundant, highly cellular elliptic nests of chondrocytes lying in mature hyaline cartilage matrix. Besides this component there were bubbly appearing large cells (physaliphorous-like cells) and a minority of cells having well defined cytoplasmic boundaries, clear eosinophilic pale cytoplasm and a rounded centrally located nucleus (“fried egg-like cells”). Alcian-PAS and Masson’s trichrome stains were applied to demonstrate proteoglycans and collagen of the matrix. Based on topographic localization and histomorphological features, a diagnosis of snout chondroma was made. This case can be added to the other rare spontaneous cartilage tumors of fish described in literature.
- 2010-06-15
著者
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SIRRI Rubina
Servizio di Prova di Anatomia Patologica, Department of Veterinary Public Health and Animal Patholog
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MANDRIOLI Luciana
Servizio di Prova di Anatomia Patologica, Department of Veterinary Public Health and Animal Patholog
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BACCI Barbara
Servizio di Prova di Anatomia Patologica, Department of Veterinary Public Health and Animal Patholog
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MORINI Maria
Servizio di Prova di Anatomia Patologica, Department of Veterinary Public Health and Animal Patholog
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BETTINI Giuliano
Servizio di Prova di Anatomia Patologica, Department of Veterinary Public Health and Animal Patholog
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Sirri Rubina
Servizio Di Prova Di Anatomia Patologica Department Of Veterinary Public Health And Animal Pathology
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Bacci Barbara
Servizio Di Prova Di Anatomia Patologica Department Of Veterinary Public Health And Animal Pathology
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Morini Maria
Servizio Di Prova Di Anatomia Patologica Department Of Veterinary Public Health And Animal Pathology
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Bettini Giuliano
Servizio Di Prova Di Anatomia Patologica Department Of Veterinary Public Health And Animal Pathology
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Mandrioli Luciana
Servizio Di Prova Di Anatomia Patologica Department Of Veterinary Public Health And Animal Pathology
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Morini M.
Servizio di Prova di Anatomia Patologica, Department of Veterinary Public Health and Animal Pathology, Faculty of Veterinary Medicine, Alma Mater Studiorum University of Bologna
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Bettini G.
Servizio di Prova di Anatomia Patologica, Department of Veterinary Public Health and Animal Pathology, Faculty of Veterinary Medicine, Alma Mater Studiorum University of Bologna