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Table 2 Diagnosis and arthroscopic findings

From: Hip arthroscopy has good clinical outcomes in the treatment of osteoid osteoma of the acetabulum

  Data
Diagnosis
 OO of the acetabulum 6 (100 %)
 Cam impingement 4 (66.7 %)
 Pincer impingement 1 (16.7 %)
 Acetabular labral tear 3 (50 %)
 Osteoarthritis 1 (16.7 %)
Location of OO
 Zone 4 1 (16.7 %)
 Zone 5 4 (66.7 %)
 Zone 6 1 (16.7 %)
Degree of femoral cartilage damages
 0 3 (50 %)
 I 1 (16.7 %)
 II 1 (16.7 %)
 III 0
 IV 1 (16.7 %)
Degree of acetabular cartilage damages
 0 2 (33.3 %)
 I 0
 II 1 (16.7 %)
 III 3 (50 %)
 IV 0
  1. NOTE. Unless otherwise specified, data are presented as numbers of patients, with percentages in parentheses