Cobalt Cardiomyopathy Secondary to Hip Arthroplasty: An Increasingly Prevalent Problem

Figure 1

Ultrasound of the right hip showing an inhomogeneous hypoechoic fluid collection with internally scattered echogenic debris between the skin and the right greater trochanter measuring approximately 8 × 3 × 2.5 cm which raised the suspicion of a metal-on-metal ALVAL reaction.