Periacetabular Osteotomy Definition

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Periacetabular Osteotomy
Acetabular retroversion causing pincer-type FAI can be treated by resection of the excessive anterior acetabular rim or reverse periacetabular osteotomy [1]. Reverse periacetabular osteotomy is a surgical method of completely reorienting the acetabulum to alleviate the anterior impingement. Reverse periacetabular osteotomy involves cutting the bone around the acetabulum, freeing it from the rest of the pelvis, and then repositioning the acetabulum to decrease both lateral and anterior femoral head coverage, as well as to antevert the acetabulum. This technique may be especially useful in hips with a positive posterior wall sign indicating a deficient posterior acetabular wall, in which case an acetabular rim-trim could

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