Your browser doesn't support javascript.
loading
Melanophoroma in a Lichtenstein's green racer snake.
Beanes, Alan S; Dos Passos, Marina C; Cavalcanti, Eduarda A N L D; Zani, Gabriel da S; Bandinelli, Marcele B; Bandarra, Paulo da M; Fernandes, Cristina G; França, Raqueli T.
Afiliação
  • Beanes AS; Núcleo de Reabilitação da Fauna Silvestre da Universidade Federal de Pelotas (NURFS/UFPel), Pelotas, Rio Grande do Sul, Brazil.
  • Dos Passos MC; Núcleo de Reabilitação da Fauna Silvestre da Universidade Federal de Pelotas (NURFS/UFPel), Pelotas, Rio Grande do Sul, Brazil.
  • Cavalcanti EANLD; Department of Veterinary Clinics, College of Veterinary Medicine, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil.
  • Zani GDS; Department of Veterinary Clinics, College of Veterinary Medicine, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil.
  • Bandinelli MB; Department of Veterinary Pathology, College of Veterinary Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
  • Bandarra PDM; Núcleo de Reabilitação da Fauna Silvestre da Universidade Federal de Pelotas (NURFS/UFPel), Pelotas, Rio Grande do Sul, Brazil.
  • Fernandes CG; Department of Veterinary Pathology, College of Veterinary Medicine, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil.
  • França RT; Department of Veterinary Clinics, College of Veterinary Medicine, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil.
Vet Clin Pathol ; 52(3): 527-530, 2023 Sep.
Article em En | MEDLINE | ID: mdl-37587094
Melanophoroma is a neoplasm of reptilian pigment cells, considered uncommon and part of a group of neoplasms called chromatophoromas. The objective of this work was to describe a case of melanophoroma in a free-living Lichtenstein's green racer snake (Philodryas olfersii), presenting with an ulcerative nodular neoformation in the integument of the head region. In the neurologic evaluation, a proprioceptive deficit was observed. Ultrasound, X-ray, and mass cytology examinations were performed. Radiographic and ultrasound findings of the tumor indicated infiltrative behavior, and cytology indicated a presumptive diagnosis of a melanocytic neoplasm. Based on the results of the examinations and the patient's clinical condition, euthanasia was chosen. At necropsy, there was a nodule measuring 4.5 × 2.5 × 2.0 cm, with a blackish-colored cut surface, mottled by gray areas, which infiltrated soft tissue and bone, and extended dorsally from the mouth to the cervical musculature. On microscopy, a non-delimited, non-encapsulated, and invasive neoplastic proliferation was observed, with moderate cellularity, which was predominantly composed of fusiform cells with distinct borders and foci of epithelioid cells. The cells had ample cytoplasm, which had a brown to black (melanocytic) granular pigment compatible with a melanophoroma. To the best of the authors' knowledge, this is a unique description of a melanophoroma in P. olfersii.
Assuntos
Palavras-chave
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Colubridae Limite: Animals Idioma: En Revista: Vet Clin Pathol Assunto da revista: MEDICINA VETERINARIA / PATOLOGIA Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Colubridae Limite: Animals Idioma: En Revista: Vet Clin Pathol Assunto da revista: MEDICINA VETERINARIA / PATOLOGIA Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos