A Rare Case of Extremely Severe Heterotopic Ossification after Primary Total Hip Arthroplasty due to Persistent Mild Periprosthetic Joint Infection

<div>(a) Plain radiograph obtained immediately after the revision THA (second THA) in a 78-year-old man. Abbreviations: THA: total hip arthroplasty. (b) Owing to limited surgical field for a joint revision procedure in a 78-year-old man, using the standard approach because of hip ankylosis, the cement and polyethylene liner were placed onto the acetabulum after impaction of the new head.</div>

Case Reports in Orthopedics

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Figure 3

Figure 3: A Rare Case of Extremely Severe Heterotopic Ossification after Primary Total Hip Arthroplasty due to Persistent Mild Periprosthetic Joint Infection 

Figure 3 | A Rare Case of Extremely Severe Heterotopic Ossification after Primary Total Hip Arthroplasty due to Persistent Mild Periprosthetic Joint Infection 