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Diseases of Aquatic Organisms
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DAO 37:231-236 (1999)  -  doi:10.3354/dao037231

Branchial osteogenetic neoplasm in barbel Barbus barbus plebejus

Maurizio Manera1, Sergio Biavati2

1Dipartimento di Scienze Veterinarie e Agroalimentari. Sezione di Patologia Generale e Anatomia Patologica Veterinaria, Facoltà di Medicina Veterinaria, Università degli Studi di Teramo, Località Piano d'Accio, 64020 Nepezzano (TE), Italy
2Dipartimento di Sanità Pubblica Veterinaria e Patologia Animale, Sezione di Patologia Generale e Anatomia Patologica, Facoltà di Medicina Veterinaria, Università degli Studi di Bologna, Via Tolara di Sopra, 50, 40064 Ozzano Emilia (BO), Italy

ABSTRACT: A branchial osteogenetic neoplasm affecting a barbel Barbus barbus plebejus (Valenciennes, 1829) is described. The osteoblasts' pleomorphism, the lack of a well-developed and complete separation, the presence of eccentric, terminal proliferative edges infiltrating the lining tissues and the abundant tumour matrix suggest a histopathological diagnosis of a 'productive osteoblastic osteosarcoma'. The occurrence of eosinophilic granule cells (EGCs) scattered among neoplastic tissue is discussed in relation to the neoplastic growth and the inflammatory reaction, with reference to recent discoveries in mammalian mast cell biology.


KEY WORDS: Barbel · Barbus barbus


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Published in DAO Vol. 37, No. 3. Publication date: September 14, 1999
Print ISSN:0177-5103; Online ISSN:1616-1580
Copyright © 1999 Inter-Research.
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