Conversion of a hip hemiarthroplasty to a total hip replacement is a revision arthroplasty, but it differs from revisions of total hip arthroplasties because a native acetabulum is replaced and the subsequent prosthetic femoral head is smaller.

• 把半髋置换改为全髋置换是髋关节置换翻修手术的一种选择，但与全髋置换术后翻修不同的是病人自身的髋臼被置换，随之要植入（比翻修前直径）小的人工股骨头。