Table 2 FGFR4 protein expression and clinical/pathological variables

From: FGFR4 Arg388 allele correlates with tumour thickness and FGFR4 protein expression with survival of melanoma patients

FGFR4 expression

Yes (%)

No (%)

P -value

Patients n=137

n=61 (45)

n=76 (55)

 

Median age (years)

70

62

 

Age at diagnosis (years)

55

14 (23)

25 (33)

NS

 >55

47 (77)

51 (67)

 

Sex

 Male

33 (24)

42 (31)

NS

 Female

28 (20)

34 (25)

 

Localisation of tumour

 Extremities

29 (21)

55 (40)

NS

 Trunk, head/neck

27 (20)

26 (19)

 

Staining intensity

 Minimal

6 (10)

 

NS

 Intermediate

51 (83)

  

 Strong

4 (7)

  

Positively stained cells per tumour

 1–9%

10 (16)

 

NS

 10–49%

21 (34)

  

 50–99%

10 (16)

  

 100%

20 (34)

  

Microvessel density (n=137)

 Low

24 (18)

57 (42)

0.001

 Medium

21 (15)

12 (9)

 

 High

15 (11)

8 (6)

 

CD-31 (meana; n=17)

44

28

 

Ki-67 (meanb; n=17)

24

14.5

 

pTNM UICC staging (n=137)

 Ia

15 (11)

23 (17)

NS

 Ib

4 (3)

11 (8)

(0.023 when stages III+

 IIa

8 (6)

12 (9)

 

 IIb

3 (2)

5 (4)

IV compared to I+II)

 IIIa

11 (8)

12 (9)

 

 IIIb

5 (4)

5 (4)

 

 IV

15 (11)

8 (6)

 

pTNM AJCC staging (n=137)

 Ia

13 (9)

24 (18)

NS

 Ib

6 (4)

10 (7)

(0.046 when stages III+IV compared to I+II)

 IIa

3 (2)

8 (6)

 

 IIb

5 (4)

8 (6)

 

 IIc

3 (2)

2 (1)

 

 IIIa

5 (4)

6 (4)

 

 IIIb

8 (6)

9 (7)

 

 IIIc

3 (2)

2 (1)

 

 IV

14 (10)

8 (6)

 

Tumour thickness Breslow

1 mm

27 (20)

32 (23)

NS

 >1 mm

34 (25)

44 (32)

 

Clark level

 I

0

0

NS

 II

14 (10)

14 (10)

 

 III

18 (13)

28 (20)

 

 IV

26 (19)

30 (22)

 

 V

3 (2)

4 (3)

 

Ulceration (n=137)

 Yes

27 (20)

18 (13)

0.009

 No

33 (24)

59 (43)

 

No. of primary tumours

 1

39 (28)

64 (47)

0.022

 >1

22 (16)

12 (9)

 

Metastasis

 Yes

31 (23)

25 (18)

0.025

 No

30 (22)

51 (37)

 

No. of metastases

 1

13 (23)

12 (22)

NS

 >1

18 (32)

13 (23)

 

Subtype of metastasis

 Local

11 (36)

12 (48)

NS

 Regional

5 (16)

5 (20)

 

 Distant

15 (48)

8 (32)

 

Tumour subtype

 SSM

30 (22)

37 (27)

NS

 NMM

25 (18)

25 (18)

 

 Others

6 (5)

14 (10)

 
  1. Abbreviations: AJCC, American Joint Committee on Cancer; NMM, nodular malignant melanoma; No., number; NS, not significant; pTNM, tumour, lymph node and distant metastasis status; SSM, superficial spreading melanoma; UICC, Union Internationale Contre le Cancer.
  2. aVessels per visual field.
  3. bCells per visual field.