Wednesday, January 3
Question of the Day

A six-month-old female spayed Labrador retriever is presented for left pelvic limb lameness of one month’s duration. The owner reports that the dog is slow to rise from a lying position and bunny hops when chasing a ball.
Exam reveals that the dog has decreased muscle mass of the left compared to right pelvic limb. There is decreased weight-bearing on the left pelvic limb and a positive Ortolani sign.
Which of the following statements is correct based on the top differential?