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Figure 1 | BMC Research Notes

Figure 1

From: Comparison of PCR-based detection of chromogranin A mRNA with traditional histological lymph node staging of small intestinal neuroendocrine neoplasia

Figure 1

Examples of NEN metastasis and the proportion of regional lymph nodes that exhibit histological tumor involvement, Chromogranin A immunohistochemical positivity or Chromogranin A transcript expression. A NEN lymph node metastasis stained with H&E stain, 20X (1a) and Chromogranin A IHC stain, 20X (1b) on contiguous slices of an involved lymph node. There was a significant difference between the proportion of positive tumors (p = 0.020), and Dunn’s post hoc tests showed a significant difference between H&E staining or CgA PCR (1c).

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