209603.fig.002a
(a)
209603.fig.002b
(b)
209603.fig.002c
(c)
209603.fig.002d
(d)
Figure 2: (a) Nests of unpigmented spindle cells in a fibrous stroma (Mallory stain, × 100). (b) Neoplastic cells infiltrate the iris stroma (H&E, × 200). (c) Uniform appearance of cellular morphology lacking in nuclear atypia and mitoses (Mallory stain, × 400). (d) Immunohistochemical staining with HMB45 confirms the melanocytic nature of the neoplastic cells (original magnification, × 100).