A Case of Congenital Rectourethral Fistula, Urethral Dilatation and Segmental Urethral Agenesis Encountered in a Calf**

The purpose of this case presentation is to describe multiple urogenital system anomalies in a calf. The case was a month old male Simmental calf that was brought to the clinic with a problem of progressive congenital swelling between the perianal and scrotal area. Clinical examination revealed that the swelling was quite large and tight in tendency. A rectourethral fistula was identified during examination of anus by speculum. Ultrasonographic examination of swelling was composed of a luminal structure. Upon puncture of the structure, a blurry liquid content with a foul smell came out. Surgery was performed under intrathecal anesthesia. The mass was clearly distinguishable from surrounding tissue starting from arcus ischiadicus to postscrotal level and it was also very tight. Mass totally removed to include a part intact penile tissue in the proximal and distal, and it was made to uretrostomi in proksimal. Nothing was performed on rectourethral fistula. A week long temporary catheter was used for urethra. At the end of the surgery it was observed that urine was continuously coming out of catheter. In macroscopic assessment of the mass, urethra was opening out to the mass in proximal, while there was no urethral opening in distal. Histopathological examination revealed that the urethral structure was composed of single layer of epithelial cells. In conclusion, this case of rectourethral fistula along with mega urethral dilatation and segmental urethral agenesis was found to be worth of description to contribute to the literature.