Figure 3From: Unusual cutaneous Langerhans cell sarcoma without extracutaneous involvementImmunohistochemical analysis of the cutaneous lesions showed tumor cells were diffusely positive for largerin (A), CD1a (B) and S-100 protein (C). (D) Ki-67 proliferating index of tumor cells was high approximately 80%positive (A-D, immunohistochemical staining with original magnification ×400).Back to article page