Figure 1
From: Hybrid SPECT/CT for the assessment of a painful hip after uncemented total hip arthroplasty
Differentiation between heterotopic ossifications and loosening of the acetabular component. 58-year old male with pain in the left hip that started several months after surgery. Using SPECT/CT, the increased uptake can be traced to heterotopic ossifications close to the acetabular component differentiating between loosening of the cup A)-C). D) shows the planar SPECT image of the left hip with increased acitivity around the cup that cannot clearly be assigned to a specific structure. After a subsequent scintigraphic examination proving inactivity of the ossifications, these were removed surgically.