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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