Pateller luxation

1. Definition It's a pathological condition of stiffle in which Medial patellar ligament become over trochlear ridge

2. Causes 1_straight hind limb 2 _loss of muscle tone 3_ over stretching 4_ secondary to CNS disease 5_ hormonal disturbance

3. Clinical signs Locked hind limb Difficult backing Foot dragging Limb extended caudally

4. Treatment Injection to counter irritant Medial patellar ligament splitting MPD