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3 RESUMO A infeccao bacteriana da prostata (prostatite) pode ser originaria de uma infeccao ascendente a partir da flora uretral normal ou secundaria a algum disturbio primario prostatico. Os caes agudamente afetados apresentam hematuria, infertilidade e dor a palpacao retal, enquanto que nas infeccoes cronicas os sinais sistemicos sao ocasionalmente observados. O diagnostico e determinado atraves do exame clinico, exames de imagem e analise de citologica do liquido prostatico. Nesse ultimo, pode-se observar um elevado numero de celulas inflamatorias, celulas vermelhas e bacterias extra ou intracelulares. O objetivo do presente relato foi demonstrar o uso da citologia do liquido seminal para o diagnostico da prostatite em um canino com hiperplasia prostatica. Para isso, reporta-se o caso de um canino, sem raca definida, macho nao castrado, de idade avancada atendido no Hospital Veterinario da Universidade de Passo Fundo (HV-UPF) apresentando dermatopatia severa e urina em jatos. Constatou-se ao exame clinico, alem da dermatopatia generalizada severa, prostatomegalia homogenea de aspecto liso e dor intensa. Atraves da analise do fluido seminal obtido por ejaculacao foi constatada predominância de celulas inflamatorias (neutrofilos), macrofagos ativados, bacterias, algumas celulas prostaticas e de epitelio escamoso. As alteracoes encontradas foram compativeis com inflamacao prostatica piogranulomatosa que apos o tratamento indicado apresentou resolucao cons- tatada pela citologia do fluido seminal. ABSTRACT The bacterial inflammation of the prostate gland (prostatitis) may result from an ascending infection through the urethra or be secondary to some primary prostate disorder. Acutely affected dogs often present with hematuria, infertility, and pain on rectal examination, whereas systemic symptoms are occasionally observed in chronic cases. The diagnosis is established by clinical examination, imaging studies, and cytological analysis of the prostatic fluid. In the latter case, there are a larg e number of inflammatory cells, red cells, and extracellular and intracellular bacteria in the prostatic fluid. The aim of the pr esent study was to assess the use of the cytological analysis of the seminal fluid for the diagnosis of prostatitis in a dog with pro static hyperplasia. The case of an old, male, uncastrated, mixed-breed dog was reported at the Veterinary Hospital of Universidade de Passo Fundo, in southern Brazil, characterized by severe dermopathy and micturition in streams. In addition to generalized severe dermopathy, the clinical examination revealed a homogenous, smooth, enlarged prostate surface and intense pain. The analysis of the seminal fluid in the ejaculate demonstrated predominance of inflammatory cells (neutrophils), activated macro- phages, bacteria, some prostate cells, and some squamous epithelial cells. The findings were consistent with pyogranulomatous inflammation of the prostate, which resolved after the recommended treatment, as shown by the cytological analysis of the seminal fluid.

Aspectos citológicos do fluído seminal em um canino apresentando prostatite