Skip to main content

Table 3 Proportion of cases found in each histological grade in the three classification systems studied

From: Histopathological grading of breast ductal carcinoma In Situ: validation of a web-based survey through intra-observer reproducibility analysis

Systems Nuclear grade Diagnostic scoring system Subjective reading
n (%) n (%)
Black Grade 1 12 (27.9) 11 (25.6)
  Grade 2 10 (23.3) 13 (30.2)
  Grade 3 21 (48.8) 19 (44.2)
Holland Grade 1 2 (4.7) 8 (18.6)
  Grade 2 19 (44.2) 15 (34.9)
  Grade 3 22 (51.2) 20 (46.5)
Van Nuys Group 1 17 (39.5) 17 (39.5)
  Group 2 5 (11.6) 9 (20.9)
  Group 3 21 (48.8) 17 (39.5)