Figure 1.

Images of a case of NET. This case is rectal NET with multiple liver and lung metastasis, and its Ki67 index is 2.8%. A: Hematoxylin and eosin staining. B: Immunohistochemical findings for Ki-67. C: Image of WinROOF. Count the Ki67 positive cells by B (blue) image of enhanced contrast for RGB color separation. D: Image of WinROOF. Count all tumor cells by R (red) image of enhanced contrast for RGB color separation.

Yamaguchi et al. Diagnostic Pathology 2013 8:65   doi:10.1186/1746-1596-8-65
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