PMC4722561_01
Lymphoid infiltrate and synovial lining cells in 59 year old male with acute-onset metallosis following total knee replacement (hematoxylin-eosin x 100).
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F1
On pathologic examination, the synovium exhibited marked chronic inflammation and hyperplasia with extensive finely granular foreign material resembling metallic debris (Figs 1 and 2).
Intracellular metallic debris in synovial lining cells (thin arrow) and giant cells (thick arrow) in 59 year old male with acute-onset metallosis following total knee replacement (hematoxylin-eosin x 1000).
JOCR-4-21-g002.jpg
PMC4722561_01_JOCR-4-21-g002.jpg
F2
On pathologic examination, the synovium exhibited marked chronic inflammation and hyperplasia with extensive finely granular foreign material resembling metallic debris (Figs 1 and 2).