Figure 4
From: Sarcomatoid mesothelioma: a clinical–pathologic correlation of 326 cases
Immunohistochemical staining for cytokeratins and calretinin in sarcomatoid malignant mesothelioma (high power). (a) Immunohistochemical staining for cytokeratins (CKs) showing strong and diffuse cytoplasmic immunoreactivity in tumor cells. (b) Anti-calretinin immunostain showing focal cytoplasmic and nuclear immunoreactivity.
