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Clinical anatomy and surgical repair of prepubic hernia in dogs and cats.

Prepubic hernia is a traumatic hernia in small animals, most often associated with severe trauma to the caudal abdomen. Common causes include vehicular trauma, dog fights, and kicks by large animals. Rupture of the prepubic tendon in dogs and of its equivalent in cats results in a ventral abdominal hernia. Due to the traumatic nature of the injury, concurrent injuries are frequently seen. Clinical signs of herniation are often nonspecific, and the resultant hernia may not be readily apparent during routine physical examination. This being so, diagnosis is often based on a thorough physical examination in conjunction with abdominal radiography and, possibly, abdominal ultrasonography. Multiple methods of repair of prepubic hernia have been reported, and survival rates are quite good if concurrent injuries are not severe.