Produção Nacional
Revisado por pares
Chondroma in rufescent tiger-heron (Tigrisoma lineatum): case report
1999; UNIVERSIDADE DE SÃO PAULO; Volume: 36; Issue: 1 Linguagem: Inglês
10.1590/s1413-95961999000100008
ISSN1678-4456
AutoresAlexandre Aparecido Mattos da Silva Rego, Eliana Reiko Matushima, Maria Cândida MIGUEL,
Tópico(s)Herpesvirus Infections and Treatments
ResumoCOMMUNICATIONINOTAPRÉVIAR eports of neoplastic process on wild animaIs, especially on free ranging birds, are rare or sporadic.The present work deseribes a tumor on the left metaearpial area affecting a free-ranging rufeseent tiger-heron (Tigrisoma lineatum).The bird was sinantropic to the Santa Bárbara d'OesteEeologieal Park, SP -Brazil.The tumor was surgically excisedand the bird was promptly released to the wild.Fragments from the tumor were eut into I em', fixed in 10%formalin solution and submitted to the Faeulty of VeterinaryMedieine and Zootechny -University ofSão Paulo, tobeproeessed aeeording to histological routine proeedures.Cuts of 5 mierometers were obtained and stained with Hematoxilin-Eosin (HE).Histopathologic analysis revealed a non eapsulated neoplastie tissue of mesenchymal origin formed by ehrondroblastsand ehrondoeytes distributed in isolated nodules withirregular limits and surrounded by a delieate net of lose eonneetive tissues (Fig. I).Cellular pleomorphism was not veryevident, chrondroeytes were well differentiated, their nuclei were round and well defined and nucleoli were usually lonely, peripheral and very evident.No mitosis eould be seen.Inflammatory infiltration eonsisted basieally by mononuelear cellsand heterophyls surrounding eartilaginous lobuli and insertingthemselves into the stroma.Interstitial haemorrhage foei, without neerosis, were also observed.
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