Figure 5

Immunohistochemical examination of OGC and PLC. (A) The stroma associated with OGCs and PLCs was negative for cytokeratin AE1/AE3. (B) OGCs expressed the histiocytic marker CD68. (C) Almost all of the PLCs were positive for p53. (D) The Ki-67 positivity of the stroma associated with OGCs and PLCs was about 30%.