Abstract：
A 2-year-old male neutered Rat Terrier was presented for alopecia, recurrent urinary tract infections, and urinary incontinence. Abdominal ultrasound and CT identified a thin, tubular, paired structure arising from the craniodorsal aspect of an enlarged, cystic prostate. An atypical uterus masculinus was initially suspected, however it was then identified that the patient had chronic exogenous estrogen exposure, and surgical resection and histopathology was consistent with an enlarged and inflamed vas deferens. Vas deferens enlargement and vasitis secondary to chronic hyperestrogenism should be considered for a tubular, paired structure arising from the craniodorsal prostate in a male dog.
摘要：
一名2岁的雄性绝育的大鼠梗因脱发而出现，复发性尿路感染，和尿失禁.腹部超声和CT鉴别出瘦削,管状,成对的结构产生于扩大的颅骨方面，囊性前列腺.最初怀疑是非典型的男性子宫，然而，随后发现患者患有慢性外源性雌激素暴露，手术切除和组织病理学与输精管肿大和发炎一致。对于肾小管，应考虑输精管增大和继发于慢性雌激素过多症的血管炎，来自雄性犬的颅端前列腺的成对结构。
