How to Perform and Interpret Testicular Fine Needle Aspiration in Stallions

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2010-10-01

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Coorientador

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Elsevier B.V.

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Although several methods of testicular biopsy have been proposed previously, testicular fine needle aspiration (FNA) has proved to be the simplest, the most rapid, inexpensive, and overall the least invasive technique for obtaining testicular biopsies Testicular FNA is indicated for fertility investigations in stallions with oligozoospermia or azoospermia It is also used for differential diagnosis of testicular enlargement After sedation the stallion's testis is punctured to obtain testicular parenchyma samples containing cells mainly from the seminiferous epithelium the material obtained is used to perform smears which are analyzed for identification and quantification of term cells and Sertoli cells The results are based on the presence of the cell types found in the smears and the proportions of Sertoli cells per germ cells In addition to being a very useful diagnostic tool, testicular FNA is also used for follow-up examinations, as it is minimally invasive

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Journal of Equine Veterinary Science. New York: Elsevier B.V., v. 30, n. 10, p. 590-596, 2010.

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