Figure 3: Tumor after complete resection
The histopathological examination demonstrated features of giant cell
tumor tendon sheath. Cut section examination revealed greyish white mass
with cystic spaces. It showed tissue exhibiting proliferation of cells.
The cells were having round to oval and spindle nuclei. The cells were
arranged in fascicles and storiform pattern focally. Numerous
multinucleated giant cells were seen dispersed in the stroma. Areas of
edema were also seen (Figure 4 and Figure 5).