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Table 4 Ki67 immunolabelling in the variants of PTC

From: Cyclin D1 in well differentiated thyroid tumour of uncertain malignant potential

Variants of PTC Percentage of Ki67 immunolabelled tumour cells
  No staining Grade 1 (<1%) Grade 2 (1–5%) Grade 3 (6-20%)
FVPTC (n = 13) 1 3 3 6
WDT-UMP lesion (n = 13) 0 2 6 5
Papillary microCa (n = 13) 2 3 6 2
Metastatic papillary Ca (n = 13) 0 0 2 11