xRead Articles - November 2022

WESTERGAARD-NIELSEN ET AL .

1901

TABLE 1

Patient and tumor characteristics related to surgical treatment of the neck

TND ( n = 81)

END ( n = 259)

noND ( n = 324)

Variable

Number of patients (%)

Number of patients (%)

Number of patients (%)

Sex

Male

53 (65)

115 (44)

136 (42)

Female

28 (35)

144 (56)

188 (58)

Ratio (male: female)

1.9

0.8

0.7

Age

≤ 60 >60

33 (37)

116 (45)

133 (41)

51 (63)

143 (55)

191 (59)

Median

63

61

63

21 – 88

6 – 94

11 – 93

Range

T-classification T1/T2

45 (56)

196 (76)

243 (75)

T3/T4

36 (44)

63 (24)

81 (25)

N-classification pN0

31 (38)

223 (86)

pN+

50 (62)

36 (14)

Metastatic rate

50/81 = 62%

36/259 = 14%

Site

Parotid gland

48 (59)

163 (63)

122 (37)

Submandibular gland

16 (20)

46 (18)

25 (8)

Sublingual gland

2 (2)

8 (3)

3 (1)

Minor salivary glands

15 (19)

41 (16)

174 (54)

Facial nerve impairment Yes

10 (12)

24 (9)

8 (2)

No

71 (88)

235 (91)

316 (98)

Histological grade Low-grade

40 (49)

185 (71)

277 (85)

High-grade

41 (51)

74 (29)

47 (15)

Histological subtypes Adenoid cystic carcinoma

11 (13.6)

66 (25.5)

75 (23.2)

Mucoepidermoid carcinoma

10 (12.4)

45 (17.4)

60 (18.5)

Polymorphous adenocarcinoma

3 (3.7)

7 (2.7)

57 (17.6)

Acinic cell carcinoma

6 (7.4)

33 (12.7)

22 (6.8)

Carcinoma ex pleomorphic adenoma

11 (13.6)

24 (9.3)

21 (6.5)

Salivary duct carcinoma

17 (21.0)

23 (8.9)

4 (1.2)

Epithelial-myoepithelial carcinoma

2 (2.5)

11 (4.3)

16 (4.9)

Basal cell adenocarcinoma

1 (1.2)

10 (3.9)

15 (4.6)

Squamous cell carcinoma

4 (4.9)

9 (3.5)

8 (2.5)

Adenocarcinoma

8 (9.9)

5 (1.9)

15 (4.6)

Clear cell adenocarcinoma

1 (1.2)

5 (1.9)

6 (1.9)

Secretory carcinoma

1 (1.2)

4 (1.5)

7 (2.2)

Poorly differentiated carcinoma

3 (3.7)

5 (1.9)

3 (0.9)

Myoepithelial carcinoma

0

3 (1.2)

6 (1.9)

Other subtypes

3 (3.7)

9 (3.5)

5 (1.6)

(Continues)