Table 1. Immunohistochemical expression of the different components of the tumour. Ref: (-) negative staining; (+) positive staining. Mm : mouse monoclonal.
| Antibodies | Neoplastic mononuclear component | Multinucleated giant cells | |
|---|---|---|---|
| Epithelioid cells | Spindle cells | ||
| Cytokeratin Cocktail (AE1 & AE3;Cell Marque; Mm) | + | + | - |
| Cytokeratin 7 (OV-TL 12/30; Cell Marque; Mm) | + | + | - |
| Vimentin (V9; Cell Marque; Mm) | - | + | - |
| Smooth Muscle Actin (1A4; Cell Marque; Mm) | - | - | - |
| S100 (4C4.9; Cell Marque; Mm) | - | - | - |
| CD68 (Kp-1; Cell Marque; Mm) | - | - | + |
| p53 (DO7; Cell Marque; Mm) | + | + | - |