case_images: PMC4387939_01
case_images: Clinical photograph of the discoloured soft tissue and large effusion secondary to metallosis in the replaced knee.
case_images: CRIOR2015-891904.001.jpg
case_images: PMC4387939_01_CRIOR2015-891904.001.jpg
case_images: fig1
case_images: A 74-year-old woman presented to her GP with a two-year history of increasing skin discolouration, pain, and swelling over the anterior left knee (Figure 1) with an anterior longitudinal midline surgical scar.
case_images: Lateral radiograph of the replaced knee demonstrates the loose patella prosthesis and surrounding osteolysis.
case_images: CRIOR2015-891904.002.jpg
case_images: PMC4387939_01_CRIOR2015-891904.002.jpg
case_images: fig2
case_images: The adverse reaction to metal debris, termed metallosis, may cause loosening/osteolysis of prostheses (Figure 2) secondary to metallic corrosion and release of metal wear debris.