Sarrafzadeh-Rezaei F, Saifzadeh S, Mazaheri R, Behfar M
Department of Clinical Sciences, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
Anim Reprod Sci. 2008 Jun;106(1-2):194-9. doi: 10.1016/j.anireprosci.2008.01.009. Epub 2008 Jan 18.
Vaginal prolapse is the protrusion of edematous vaginal tissue into and through the opening of the vulva occurring during the pro-oestrus and oestrus stages of the sexual cycle. True vaginal prolapse may occur near parturition, as the concentration of serum progesterone declines and the concentration of serum oestrogen increases. In a bitch, true vaginal prolapse is a very rare condition. This case report describes an 18-month-old crossbreed bitch, weighing 40 kg presented with type III vaginal prolapse. The patient had developed vaginal prolapse after receiving oestrogen in order to oestrus induction. Subsequent to unsuccessful attempts for repositioning, ovariohysterectomy (OHE), circumferential excision of the prolapsed tissue and finally vulvoplasty were performed. There was no evidence of recurrence of the prolapse during 30 days after surgery. This case report describes type III vaginal prolapse as an unusual side effect of oestrus induction hormonal therapy in the bitch.
阴道脱垂是指在性周期的发情前期和发情期，水肿的阴道组织突出并穿过外阴开口。真正的阴道脱垂可能在分娩临近时发生，此时血清孕酮浓度下降而血清雌激素浓度上升。在母犬中，真正的阴道脱垂是一种非常罕见的病症。本病例报告描述了一只18个月大、体重40公斤的杂种母犬，患有III型阴道脱垂。该患者在接受雌激素诱导发情后出现了阴道脱垂。在尝试复位失败后，进行了卵巢子宫切除术（OHE）、脱垂组织的环形切除，最后进行了外阴成形术。术后30天内没有脱垂复发的迹象。本病例报告将III型阴道脱垂描述为母犬发情诱导激素治疗的一种不寻常副作用。
