Table 2 H&E staining of para-tumor tissue

From: Expression of p53, p21 CIP1/WAF1 and eIF4E in the adjacent tissues of oral squamous cell carcinoma: establishing the molecular boundary and a cancer progression model

Groups

Case number

Normal or simple hyperplasia

Mild or moderate dysplasia

Severe dysplasia

Submucosal invasion of cancer

Invasion rate/%

P1

50

0

27

23

21

42 a

P2

50

11

31

8

8

16 a

P3

50

32

18

0

0

0 a,b

P4

50

47

3

0

0

0 a,b

  1. H&E, haematoxylin and eosin. P1, 0–0.5 cm to tumor boundary; P2, 0.5–1 cm to tumor boundary; P3, 1–1.5 cm to tumor boundary; P4, 1.5–2 cm to tumor boundary.
  2. aSignificant differences of sub-mucosal invasion rate were observed between P1, P2 and P3, P4 groups (P<0.001).
  3. bNo statistical difference of sub-mucosal invasion rate was found between P3 and P4 groups (P=1.000).
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