Studies on seminal vesiculitis in the bull, 2: Malformation of the pelvic genital organs as a possible predisposing factor in the pathogenesis of seminal vesiculitis [Glandula vesicularis, congenital defects, segmental aplasia of the Wolffian duct, colliculus seminalis, locus minoris resistentiae]
1979
Blom, E. (Statens Veterinaere Serumlaboratorium, Copenhagen (Denmark))
Of 32 bulls showing inflammatory conditions in the pelvic genital organs, 25 were examined post mortem (24 showing vesiculitis with or without ampullitis and one showing ampullitis alone). In ten cases (40 per cent) the following malformations or rare anatomical deviations were demonstrated by careful gross-anatomical dissection: Segmental aplasia of the Wolffian duct: 1; segmental hypoplasia of the Wolffian duct: 3; asymmetric implantation of the two ampullae: 3; accessory vesicular glands: 1; uterus masculinus persistens: 2. These results corroborate earlier observations that a congenital defect may play a certain role in the pathogenesis of seminal vesiculitis, most probably by acting as a locus minoris resistentiae in or around colliculus seminalis. On account of the above findings, and considering the prognosis for the condition and the lack of effective treatment, it can in general be recommended, that diseased bulls should be slaughtered as soon as the diagnosis seminal vesiculitis is final.
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