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Fig. 6 | BMC Musculoskeletal Disorders

Fig. 6

From: Retention of metals in periprosthetic tissues of patients with metal-on-metal total hip arthroplasty is reflected in the synovial fluid to blood cobalt transfer ratio in the presence of a pseudotumour

Fig. 6

Distribution of metals by Hart classification [24] of pseudotumours. The highest synovial fluid (SF) and whole blood (WB) metal concentrations were found in patients without a pseudotumour, and lowest in patients with a fluid-filled type 2A pseudotumour. The lowest whole blood metal concentrations were found in patients with type 3 pseudotumours. The lowest soft tissue (ST) metal concentrations were in patients with type 2A tumour and highest in 1, 2B, and 3 tumours, suggesting retention of metals in the pseudotumour tissue. SF: no tumour n 13, 1 n 6, 2A n 14, 2B n 10, 3 n 7; ST: no tumour n 12, 1 n 8, 2A n 14, 2B n 12, 3 n 9; WB: no tumour n 14, 1 n 8, 2A n 14, 2B n 12, 3 n 9. Reference line is set to mean + 2SD of controls for SF and ST and to 0.005 ppm (5 μg/l) for WB

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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