Giant Mature Cystic Teratoma in an Indian Pariah Bitch
2025
Kumar, Rahul | Pratap Pandey, Rudra
Introduction: Ovarian teratomas are uncommon tumors in female dogs, characterized by the presence of tissues derived from embryonic layers. Although most ovarian teratomas are benign, histopathological evaluation is crucial for accurate clinical diagnosis and management. The present report presented a rare case of tridermal teratoma in an eight-year-old bitch and its successful surgical management. Case report: In the present case report, an eight-year-old Indian Pariah bitch weighing 16.7 kg was presented to the Teaching Veterinary Clinical Complex, India with anorexia and abdominal distention. Radiography and ultrasonography of the abdomen revealed two abnormal masses in the abdominal cavity. The bitch was operated for exploratory laparotomy, and the masses were removed. One mass weighed 4.2 kg and was 30×22×14 cm in size, while the other mass, which was attached to the left ovary, weighed 0.2 kg and was 7×5×4 cm in size. Grossly, both masses demonstrated encapsulation, lobulation, and severe congestion. The external surface of the masses had pigmentation. In contrast, the cut surface revealed cystic spaces filled with tufts of hair embedded in thick, creamy-white sebaceous material, along with fat and bone tissues. Histopathological examination confirmed both masses as benign mature cystic teratomas, comprising well-differentiated structures derived from all three germ layers. Conclusion: The abnormal masses of cystic teratomas in the abdominal cavity were diagnosed and successfully removed by surgery.
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