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% of total % of total well 0 15 differentiated 0.00 53.57 0.00 25.42 moderately 1 9 differentiated 5.26 47.37 1.69 15.25 poorly 0 1 differentiated 0.00 14.29 0.00 1.69 verrucous 2 2 type 40.00 40.00 3.39 3.39 Total 3 27 5.08 45.76 5.08 45.76 Pearson Chi-square tests: p = 0.012

% of total 9 32.14 15.25 8 42.11 13.56 5 71.43 8.47 0 0.00 0.00 22 37.29 37.29

% of total 4 14.29 6.78 1 5.26 1.69 1 14.29 1.69 1 20.00 1.69 7 11.86 11.86

% of total 28 100.00 47.46 19 100.00 32.20 7 100.00 11.86 5 100.00 8.47 59 100.00 100.00

Table 5.7 shows that none of the well, moderate or poorly differentiated SCC had expression of p53 protein in basal layer. They were distributed in all layers of the squamous epithelium. On the other hand, the positive verrucous SCCs were distributed only in the basal layer. Table- 5.7: Association between histological types and the distribution of p53 (N=52) Histological type of squamous cell carcinoma

Distribution of p53 within the lesion Positive Only in basal layer n

In all layers n

% within histological type

% within histological type

% of total well differentiated

0 0.00 0.00

Negative

Total

n % within histological type

n % within histological type

% of total

% of total

24 85.71 40.68

4 14.29 6.78

% of total 28 100.00 47.46

Thesis on oral cancer and bangladesh  

The term oral cancer encompasses all malignancies that originate in the oral tissues. Squamous cell carcinoma of the oral cavity comprises 9...

Thesis on oral cancer and bangladesh  

The term oral cancer encompasses all malignancies that originate in the oral tissues. Squamous cell carcinoma of the oral cavity comprises 9...