Case Report

Diffuse-Type Tenosynovial Giant Cell Tumor of the Knee with Concurrent Polymicrobial Infection (Klebsiella oxytoca and Group B Streptococcus)

Figure 3

Microscopic images of hematoxylin-eosin-stained sections of tumor tissue. Viable TGCT: (a) 100x image illustrating viable TGCT with scattered giant cells (arrows) and (b) 200x image showing a multinucleated giant cell. Infarcted tissue with scattered giant cells (arrows): (c) 100x image of completely infarcted tissue with multinucleated giant cells and (d) 200x image of partially infarcted tissue with a multinucleated giant cell.
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