Co-localization of CD68 and Flt-1 in GCTs. The sections were prepared as described in Fig. 1 and stained with anti-CD68 (a and d) and anti-Flt-1 (b and e) Abs, followed by TRITC- and FITC-conjugated secondary Abs, respectively. The images were merged (c and f). Arrows indicate monocyte-like cells (a-c) and arrowheads indicate MNCs (d-f). Scale bar: 10 μm.