Cystadenoma in the <em>rete ovarii</em> in a bitch

The rete ovarii is the counterpart of male testis that develops from primary sex cords female animals. Pathological conditions are rarely reported in dogs. This communication describes a cystadenofibroma 2-year-old, intact, crossbred bitch presented to Veterinary Teaching Hospital, University Peradeniya. was with complaints hyporexia, constipation, purulent vaginal discharges and progressive abdominal distension for three weeks. A tentative diagnosis pyometra concurrent uterine cyst/neoplasia arrived based on clinical examination imaging findings. An exploratory laparotomy revealed space right ovary occupied by large, 14 cm x 16 cm, smooth surfaced, spherical mass ovariohysterectomy performed. Histopathology findings cyst suggested ovarii. To authors’ knowledge, this first report canine Sri Lanka.