2002
DOI: 10.1590/s1413-95962002000100005
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Testosterone concentration in a bovine Bos indicus with bilateral varicocele: case report

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Cited by 4 publications
(2 citation statements)
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“…Three possible causes of male varicocele have been reported: (i) the anatomical differences between the right and left sperm vein, which lead to a high hydrostatic pressure and, subsequently, to vein enlargement; (ii) the abnormal or lack of valves, which could cause a reflux of blood; (iii) "the nutcracker phenomenon", in which the renal vein is compressed between the aorta and the upper mesenteric artery [5]. In farm animals, however, this has been less investigated or less diagnosed over the years [6][7][8]. Regarding varicocele in rams, there are few announcements, and most were published almost 40 years ago [8,9].…”
Section: Introductionmentioning
confidence: 99%
“…Three possible causes of male varicocele have been reported: (i) the anatomical differences between the right and left sperm vein, which lead to a high hydrostatic pressure and, subsequently, to vein enlargement; (ii) the abnormal or lack of valves, which could cause a reflux of blood; (iii) "the nutcracker phenomenon", in which the renal vein is compressed between the aorta and the upper mesenteric artery [5]. In farm animals, however, this has been less investigated or less diagnosed over the years [6][7][8]. Regarding varicocele in rams, there are few announcements, and most were published almost 40 years ago [8,9].…”
Section: Introductionmentioning
confidence: 99%
“…A degeneração testicular pode ser temporária ou permanente, e sua gravidade vai depender do tipo, severidade e duração do insulto NASCIMENTO et al 2010). As causas podem ter diversas origens: ação de agentes infecciosos específicos ou inespecíficos do sistema reprodutor (ADAMU et al, 2007), estresse térmico (BARTH e BOWMAM, 1994;KASTELIC et al, 1997;MATHEVON et al, 1998;CELEGHINI et al, 2017;GARCIA, 2017;, desequilíbrios nutricionais (CHENOWETH et al, 2000), alterações vasculares como varicocele (KOIVISTO et al, 2002), excesso de gordura no funículo espermático (ADEEL et al, 2009), causas medicamentosas (HORN et al, 1999) (BLOM, 1972;BARTH e BOWMAM, 1994.;KASTELIC et al, 1997.;. Em casos mais severos, além da oligozoospermia e da astenozoospermia, pode ser detectado também aumento no número de espermatozoides com anomalias morfológicas, especialmente com defeitos de peça intermediária e cabeça (GARCIA, 2004).…”
Section: Termorregulação Em Tourosunclassified