Table 3 Clinical and immunohistochemical characteristics of IgG4+ primary cutaneous marginal zone lymphomas

From: Primary cutaneous marginal zone lymphomas with plasmacytic differentiation show frequent IgG4 expression

Case

Site

Gender

Age

IgG4/IgG (%)/ cell count/HPF (mean)

Light chain

Treatment

Relapse

Staging

Borrelia burgdorferi

LDH

Number of lesions at presentation

Clinical presentation of the lesions (nodule vs other)

1

Neck

M

51

99/89

κ

E

No

NEM

Negative

NA

1

Nodule

2

Upper extremitiy

M

70

99/218

λ

E

No

NEM

NA

Elevated

1

Nodule

3

Lower extremity

M

32

98/124

κ κ

E, D

Yes

NEM

NA

Normal

1

Nodule

4

Back

M

74

99/130

κ

C, PD

Yes

NEM

Positive

Normal

>2

Nodule

5

Back

F

53

95/173

λ

E

NA

NEM

Negative

Normal

1

Nodule

6

Back

F

28

83/92

λ

E, D

yes

NEM

Negative

Normal

1

Nodule

7

Back

M

26

78/75

κ

NA

NA

NA

NA

NA

1

Nodule

8

Shoulder

M

46

96/210

κ

C, R, PD

NA

NEM

NA

Normal

>2

Other

9

Upper extremitiy

F

75

90/110

λ

E, R

Yes

NEM

NA

Normal

1

Nodule

10

Shoulder

M

69

77/124

λ

E

Yes

NA

NA

NA

NA

Nodule

11

Back

F

58

83/110

κ

R

No

NEM

NA

Normal

1

Other

12

Shoulder

M

74

76/108

λ

E

No

NEM

NA

Normal

1

Other

13

Back

M

29

95/131

κ

E

Yes

NEM

Negative

Normal

>2

Nodule

14

NA

M

36

84/84

κ

NA

Yes

NA

NA

NA

1

Nodule

15

Back

M

40

99/177

κ

E, R

No

NEM

NA

normal

1

Nodule

16

Head

F

55

90/100

κ

NA

Yes

NA

NA

NA

1

Nodule

17

Upper extremitiy

M

37

96/185

κ

R

No

NEM

NA

Normal

1

Nodule

18

Shoulder

M

80

99/111

κ

NA

NA

NA

NA

NA

1

Nodule

19

Upper extremitiy

F

49

80/117

κ

NA

Yes

NA

NA

NA

1

Other

  1. Abbreviations: C, chemotherapy; D, doxycyclin; E, excision; F, female; M, male; NA, not available; NEM, no extracutaneous manifestation; PD, progressive disease; R, radiation.