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Table 2 Osteolytic lesions around the THA

From: Minimum 15-year results of metasul 28-mm metal-on-metal total hip arthroplasty in patients younger than 50 years of age

DeLee and Chanley zones - acetabular osteolysis

Number of hips

 Zone 2

2 hips

 Zone 3

3 hips

 Zones 1 and 2

1 hip

Gruen zones - femoral osteolysis

Number of hips

 Zone 1

4 hips

 Zone 7

1 hip

 Zones 1 and 7

1 hip

  1. THA Total hip arthroplasty