Diagnostic and Treatment-Related Challenges in Sinonasal Teratocarcinosarcoma: A Report of Three Cases

Figure 5

Histopathological images of patient no 3. Immunohistochemistry demonstrating loss of SMARCA4 expression in tumor cells of a patient with a teratocarcinosarcoma. Note: the positive internal control: expression of SMARCA4 in the superficial epithelium.