Patellar Sleeve Avulsion Fracture-Plain Film
Young male with sporting macro-trauma history with pain and tenderness of lower patellar region with soft tissue swelling of 2 months duration. X ray shows lower polar irregularity , heterogenous opacities and soft issue swelling – compatible with patellar sleeve avulsion fracture of children. Case submitted by Dr MGK Murthy
1. Patella is sesamoid bone in the tendon of quadriceps muscle with dense cancellous bone with thin compact lamina.
2. Ossifies from single ossification center(sometimes two) appearing from 2-6 yrs age and completes by puberty.
3. Affects chondro-oseous junction with an extensive sleeve of cartilage pulled of the main body ,with patellar tendon disruption
Patellar Sleeve Avulsion Fracture-Plain Film Reviewed by Sumer Sethi on Monday, May 23, 2011 Rating: