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Updated: Mar 19, 2026
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Potentiodynamic Corrosion Testing
Published on: September 4, 2016
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Severe Periprosthetic Metallosis and Polyethylene Liner Failure Complicating Total Hip Replacement: The Cloud Sign
Radiology Case Reports
|June 16, 2016
Abstract:
We present a case of an 85-year-old woman with extensive metallosis of the left hip joint secondary to prosthetic polyethelene liner dislocation and wear. Radiographs demonstrated amorphous cloudy radiodensities surrounding the prosthesis, a feature we have called the "cloud sign." The presence of amorphous cloudy radiodensities as a radiographic sign of metallosis has not been previously described to our knowledge.
Keywords:
CT, computed tomography
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