252805.fig.002a
(a)
252805.fig.002b
(b)
252805.fig.002c
(c)
252805.fig.002d
(d)
Figure 2: Immunohistochemical expression of CD34 and Ki67. Ki-67 showed a very low expression ((a) (20 XHPF) and (b) (40 XHPF)). The neoplastic cells express diffusely CD34 immunoreactivity ((c) (20 XHPF) and (d) (40 XHPF)).