Table 3 Immunohistochemical and cytogenetics results for each of the 36 IMT cases

From: IgG4 plasma cells in inflammatory myofibroblastic tumor: inflammatory marker or pathogenic link?

Case

ALK-1

IgG4 a

IgG a

IgG4/IgG

Cytogenetics

FISH

 1

c+

5

38

0.13

t(1;2)(p21,p23)

NA

 2

c+

2

20

0.10

NA

Positive

 3

g+

1

4

0.17

NA

Positive

 4

g+

19

22

0.86

NA

Negative

 5

c+

18

6

3.00b

NA

Positive

 6

g+

23

32

0.72

NA

Positive

 7

c+

21

30

0.70

NA

Positive

 8

c+

20

52

0.38

NA

NA

 9

c+

2

46

0.04

NA

NA

10

c+

0

5

0

NA

NA

11

c+

0

19

0

NA

Negative

12

c+

1

23

0.04

t(2;4)(p21;q21)

Positive

13

c+

6

28

0.21

NA

Positive

14

33

53

0.62

NA

NA

15

0

3

0

NA

NA

16

30

32

0.94

NA

NA

17

18

57

0.32

NA

NA

18

1

8

0.13

NA

NA

19

16

NA

b

NA

NA

20

1

5

0.20

Nonspecific

NA

21

10

45

0.22

NA

Negative

22

0

0

b

NA

Negative

23

0

3

0

NA

Aneuploid

24

c+

0

10

0

NA

Positive

25

c+

0

0

0

NA

NA

26

c+

0

6

0

NA

Positive

27

g+

0

NA

b

NA

Positive

28

g+

1

11

0.09

NA

Positive

29

g+

2

25

0.08

NA

NA

30

0

0

b

NA

NA

31

g+

1

11

0.09

NA

NA

32

0

23

0

NA

Positive

33

g+

0

52

0

Nonspecific

Positive

34

g+

0

0

b

NA

NA

35

g+

19

85

0.22

NA

Positive

36

0

9

0

NA

NA

  1. Abbreviations: c, cytoplasmic staining; g, granular staining; NA, not available; +=positive staining;−=negative staining.
  2. aCell count per one high-power field.
  3. bExcluded from calculation.