Age (years)
| |
Median
|
52
|
Range
|
15-81
|
Sex
| |
Male
|
45 (54.2)
|
Female
|
38 (45.8)
|
Ratio, male to female
|
1.2
|
Presenting Symptom
1
| |
Abdominal pain
|
69 (83.1)
|
Melena
|
30 (36.1)
|
Nausea or vomitting
|
15 (18.1)
|
Hematemesis
|
6 (7.2)
|
Ileus
|
1 (1.2)
|
Perforation
|
0
|
B symptoms
|
56 (67.5)
|
Bulky Disease
|
21 (25.3)
|
Involvement within the stomach
2
| |
Cardia
|
13 (15.7)
|
Fundus
|
15 (18.1)
|
Corpus
|
44 (53.0)
|
Antrum
|
53 (63.9)
|
Pylorus
|
12 (14.5)
|
Stump
|
2 (2.4)
|
Histopathology
| |
B cell subtypes
|
75 (90.4)
|
Diffuse large B cell lymphoma
|
57 (68.7)
|
GCB subtype
|
20 (20/57, 35.1)
|
Non-GCB subtype
|
37 (37/57, 64.9)
|
Ratio, GCB to Non-GCB
|
1:1.85
|
MALT lymphoma
|
14 (16.9)
|
Burkitt lymphoma
|
3 (3.6)
|
Mantle cell lymphoma
|
1 (1.2)
|
T cell subtypes
|
8 (9.6)
|
Peripheral T-cell lymphoma, unspecified
|
4 (4.8)
|
Anaplastic large cell lymphoma
|
3 (3.6)
|
Precursor T lymphoblastic lymphoma
|
1 (1.2)
|
H. pylori infection3
|
49 (49/61, 80.3)
|
Laboratories at first visit
| |
Leucocytopenia (< 4.0 × 109/L)
|
7 (8.4)
|
Neutropenia (< 2.0 × 109/L)
|
8 (9.6)
|
Lymphocytopenia (< 1.0 × 109/L)
|
15 (18.1)
|
Low hemoglobin (< 120 g/L)
|
43 (51.8)
|
Low albumin (< 35 g/L)
|
24 (28.9)
|
Increased LDH (> 245 U/L)
|
40 (48.2)
|
Lugano Staging
| |
I
|
24 (28.9)
|
II1
|
5 (6.0)
|
II2
|
14 (16.9)
|
IIE
|
20 (24.1)
|
IV
|
20 (24.1)
|