II

1

1.6

III

4

6.6

IV

8

13.3

V

25

41.6

Not reported

12

20

Histological type

Large cell keratinizing

47

78.3

Acantholytic

2

3.3

Other histological types

5

8.3

Not reported

6

10

Histological grade

Well differentiated

35

58.3

Moderately differentiated

23

38.3

Poorly differentiated

1

1.6

Not reported

1

1.6

Lymphovascular invasion

Present (+)

10

16.7

Absent (−)

25

42

Not reported

25

41.3

Perineural invasion

Present (+)

14

23.3

Absent (−)

29

48.3

Not reported

17

28.3

Palpable adenopathy

No

40

66.6

Yes

20

33.3

FNABPalpable adenopathy

No

2

10

Yes

18

90

FNAB result (n = 18)

Negative

14

77.7

Not suitable for diagnosis

4

22.3