Figure 1

Summary of immunoreactivity patterns on MEMs. Immunohistochemical evaluation of a representative malignant epithelioid mesothelioma, demonstrating expression of the following antigens according to cellular localization pattern: nuclear (WT-1, a); cytoplasmic (cytokeratin 5/6, b); combined nuclear and cytoplasmic (calretinin, c); and membranous (mesothelin, d; thrombomodulin, e; and HBME-1, f).