Figure 3

A) Calretinin immunohistochemical expression (magnification ×200). Fried-egg-like specific staining pattern. B) CK8-18 immunohistochemical expression (magnification ×200). Dot-like paranuclear expression. C) CD56 immunohistochemical expression (magnification ×200). D) Synaptophysin immunohistochemical expression (magnification ×200).