Undifferentiated Spindle-Cell Carcinoma of the Gallbladder: A Report of a Case, an Immunohistochemistry Profile, and a Review of the Literature
Figure 2
(a) Haematoxylin and eosin section showing malignant spindle cells with few clusters of malignant epithelioid cells. (b) Immunostaining showing focal positivity of the spindle cells for vimentin. (c) Immunostaining showing strong positivity of the epithelioid clear cells for CEA. (d) Immunostaining showing strong positivity of the epithelioid clear cells for CK7 at a focus.
