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Table 2 Baseline pathological characteristics of patients with head and neck adenoid cystic carcinoma.

From: Prognostic Significance of Nuclear Survivin Expression in Resected Adenoid Cystic Carcinoma of the Head and Neck

Characteristics

Total

 

No. of patients

%

Tumor size (cm) (n = 32)

  

   ≤ 3 cm

14

43.8

   > 3 cm

18

56.2

Histological growth pattern

  

   Tubular

7

18.9

   Cribriform

23

62.2

   Solid

7

18.9

Histological grade

  

   Well

6

16.2

   Moderately

21

56.8

   Poorly

10

27.0

Perineural invasion (n = 34)

  

   Positive

26

76.5

   Negative

8

23.5

Perivascular invasion (n = 35)

  

   Positive

4

11.4

   Negative

31

88.6

Lymphatic invasion (n = 33)

  

   Positive

11

29.7

   Negative

22

66.7