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Research, Society and Development
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Research, Society and Development
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Rabdomiossarcoma botrióide na vesícula urinária de um American Pitbull Terrier

Authors: Melissa Cristina Müller; Ana Catarina Luscher Albinati; Durval Baraúna Júnior; Cássia Regina Oliveira Santos; Eliane Feitosa Ferreira; Wasley Carlos Gonçalves de Matos;

Rabdomiossarcoma botrióide na vesícula urinária de um American Pitbull Terrier

Abstract

O rabdomiossarcoma botrióide é uma variante do rabdomiossarcoma embrionário e tem origem nas células musculares estriadas, ou precursores destas células, por isso podem se iniciar em partes do corpo com ausência de músculo estriado, como o trato urogenital. Geralmente, os cães acometidos são jovens até dois anos e as massas neoplásicas têm aspecto de cacho de uva. O objetivo do presente relato foi descrever um caso de rabdomiossarcoma botrióide em um cão, American Pittbull Terrier, de 16 meses que apresentou uma massa no interior da vesícula urinária, posteriormente diagnosticada através de exame histopatológico e imunoistoquímico. A massa era multilobulada, firme, rósea a vermelha com áreas multifocais de necrose e estava aderida na mucosa da região mais cranial da vesícula urinária emitindo ramificações disseminadas em direção ao trígono vesical. Microscopicamente, a neoplasia é constituída por duas populações celulares entremeadas a uma matriz mixóide, uma composta por células pequenas e redondas, com citoplasma escasso e núcleo basofílico hipercorado e a outra por células alongadas, com citoplasma eosinofílico e núcleo paracentral, ambas as populações celulares possuíam pleomorfismo moderado e 2 figuras de mitose por campo (400 x). Densidade celular aumentada foi observada abaixo do epitélio vesical. A combinação de exames complementares foi conclusiva para o diagnóstico da neoplasia.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold