Figure 3From: Rapidly developed squamous cell carcinoma after laser therapy used to treat chemical burn wound: a case report H & E and CK5/6 staining of frozen section of tumor (×100). (A) H & E stain. Well differentiated squamous cell carcinoma with marked foreign body reaction. A keratin pearl was noted. (B) H & E stain. (C) CK5/6 stain.Back to article page