Figure 6
From: Primary histiocytic sarcoma arising in the head and neck with predominant spindle cell component
![Figure 6](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1746-1596-2-7/MediaObjects/13000_2007_Article_53_Fig6_HTML.jpg)
Histiocytic sarcoma. Neoplastic cells are strongly positive for Ki-67. (B-SA, anti-Ki-67, original magnification × 200).
From: Primary histiocytic sarcoma arising in the head and neck with predominant spindle cell component
Histiocytic sarcoma. Neoplastic cells are strongly positive for Ki-67. (B-SA, anti-Ki-67, original magnification × 200).