Amelanotic Cellular Blue Nevus: An Unusual Iris Localization

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).

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