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Table 2 Shows methodology of scoring of immunohistochemistry for various proteins expressed in normal and renal cancer

From: Microsatellite alteration and immunohistochemical expression profile of chromosome 9p21 in patients with sporadic renal cell carcinoma following surgical resection

Cytoplasm staining Score Interpretation
X Core loss
N Normal renal tissue
0 No uptake of stain
1 Diffusely or focally weak uptake of the stain
2 Diffusely or focally moderate uptake or focally intense
3 Diffusely intense
Nuclear staining Score Percentage Nuclei Stained %
1 0–10 %
2 >10 but <50 %
3 ≥50 %
  1. Non-integral values were rounded up to close integral figure