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Table 1 Metal ion concentrations in the serum or in the periprosthetic tissue

From: Severe Wear and multiple Pseudotumor formation due to revision for ceramic head breakage after ceramic-on-ceramic Total hip arthroplasty: a case report

Tissue (time point)

Cobalt (ng/ml)

Chromium (ng/ml)

Molybdenum (ng/ml)

Titanium (ng/ml)

Serum (5 days pre-operation)

1065.39

19.58

3.21

106.27

Surrounding tissue (intraoperation)

148.01

766.20

39.80

10.05

Dark gray fluid (intraoperation)

21389.71

89212.02

5431.69

279.83

Serum (2 months post-operation)

453.07

9.52

1.23

150.20

  1. Norm values: Cobalt: < 2.5; Chromium < 2.03; Molybdenum 0.5–2; Titanium 2–10 (ng/ml)