MUSCULOSKELETAL IMAGING

Knee 16

QUADRICEPS TENDON

Quadriceps injuries tend to occour in patients: • Over 40's •Chronic illness •Knee implant surgery

•Steroid use Considerably less common that patellar tendon disease Considerable variation is present at its insertion normally High signal streaks frequently seen in asymptomatic individuals Should not be over diagnosed as tendinopathy US has some advantages in demonstrating Doppler signal in true abnormal cases

QUADRICEPS RUPTURE

can involve any of the 3 components of the quadriceps insertion so All 3 must be examined carefully The US squeeze test is useful, squeezing the knee joints pushes effusion into the extraarticular tissues confirming that a defect is present