Fig. 3

X-ray of a GROUP A (Proxima stem on CoM) patient. A: 3 months after surgery: excessive inclination of the cup is evident (A). B: At 77 months of follow up the patient was asymptomatic, but high levels of chromium and cobalt were recorded. The X-ray showed cup inclination of 59,6° in a well osseointegrated prosthesis and in absence of any sign of bone resorption, pseudotumor or failure