“…Injuries to the patellar ligament (PL) occur rarely in companion animals. In the English written literature, there have been a total of 13 reported cases, including 12 dogs and 1 cat (Ries & Harris 1982, Gilmore 1983, Bloomberg & Parker 1984, Culvenor 1988, Aron et al 1997, Smith et al 2000, Gemmill & Carmichael 2003, Shipov et al 2008, Archer et al 2010. The most common mechanism of injury is direct trauma.…”