Pleomorphic adenoma of the left lacrimal gland recurred and transformed into myoepithelial carcinoma after multiple operations: A case report

Figure 2 The first postoperative immunohistochemistry results. A: Hematoxylin-eosin staining shows spindle-shaped tumor cells, mucinous mesenchyme and foci of necrosis, with nuclear schizophrenia and marked nuclear anisotropy, and a small localized pleomorphic adenomatous component in the tumor (magnification × 200); B-I: Immunohistochemistry showed that the tumor cells were positive for CK (B), CK7 (C), P63 (D), Calponin (E), S-100 (F), SMA (G), SOX-10 (H) and 5% of cells were positive for Ki-67 (I) [Envision (B-I) × 200].