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1 Iannuzzi MC, Rycicki BA, Teirstein AS. Medical progress: sarcoidosis. N Engl J Med 2007; 357: 2153–65. 2 Newman LS, Rose CS, Bresnitz EA, et al. A case control etiologic study of sarcoidosis: environmental and occupational risk factors. Am J Respir Crit Care Med 2004; 170: 1324–30. 3 Kucera GP, Rybicki BA, Kirkey KL, et al. Occupational risk factors for sarcoidosis in African-American siblings. Chest 2003; 123: 1527–35. 4 Rafnsson V, Ingimarsson O, Hjalmarsson I, Gunnarsdottir H. Association between exposure to crystalline silica and risk of sarcoidosis. Occup Environ Med 1998; 55: 657–60. 5 Rybicki BA, Iannuzzi MC. Epidemiology of sarcoidosis: recent advances and future prospects. Semin Respir Crit Care Med 2007; 28: 22–35. a cobalt-chromium head, or could the placement of a cobalt-chromium head in combination with the previously inserted ceramic socket explain the loss of cobalt-chromium? After the resection arthroplasty, the patient’s vision “partially improved”, while “metal ion concentrations decreased but remained higher than reference values”. These statements do not prove any clear relation to the operation. We believe this Case Report generates more questions than answers and leaves physicians with unnecessary concerns about the safety of total hip replacement. Furthermore, we believe this patient was left with a disabling condition. Did the authors panic and become blind and deaf to the evidence of the superior wear characteristics of modern hip prostheses?