Diagnosis of the jejunoileal lymphoma by double-balloon endoscopy

Table 1 Demographic and clinical characteristics of the patients with confirmed involvement of malignant lymphoma in the jejunoileum by double-balloon endoscopy and who also underwent fluorodeoxyglucose positron emission tomography

Total number of patients	20
Gender
Male	14
Female	6
Median age (yr)	64
(range)	(50-81)
Observation
Jejunum + ileum	11
Jejunum	4
Ileum	5
Location
Jejunum + ileum	9
Jejunum	6
Ileum	5
Number of lesions
Solitary	2
Multiple	16
Diffuse	2

Table 2 Characteristics of fluorodeoxyglucose positron emission tomography-positive or -negative patients

		FDG-PET		P value
	All cases	Positive	Negative
All cases	20	10	10
Histology
FL	12	3	9
DLBCL	4	3	1
MCL	2	2	0
ETL	1	1	0
ALCL	1	1	0
FL	12	3	9	< 0.051
Others	8	7	1
Endoscopic findings
Elevated	5	1	4
Ulcerative	5	4	1
MLP	3	2	1
Diffuse infiltration	1	1	0
Diffuse infiltration + ulcerative	1	1	0
Elevated + MLP	5	1	4
Including elevated	10	2	8	< 0.051
Not including elevated	10	8	2
Clinical Stage
I	1	1	1
II	5	3	2
III	3	1	2
IV	9	5	5
I/II	6	4	3	NS
III/IV	12	6	7
Abdominal symptom
Present	6	5	1	NS
Absent	14	5	9
B symptom
Present	10	5	5	NS
Absent	10	5	5
Other gastrointestinaltract lesions
Absent	10	6	4	NS
Present	10	4	6
Esophagus	2	2	0
Stomach	6	4	2
Duodenum	12	5	7
Colon	2	2	0
PS
0	18	9	9	NS
1	2	1	1
Hemoglobin (g/dL)
Median	13.7	13.1	14.1	NS
(range)	(7.8-17.1)	(7.8-16.3)	(12.1-17.1)
Lactate dehydrogenase (IU/L)
Median	196	197	187	NS
(range)	(108-1195)	(108-342)	(126-1195)
Soluble interleukin-2 receptor (U/mL)
Median	1350	2302	802	NS
(range)	(363-7410)	(371-6880)	(363-7410)

¹By Fisher’s exact test. FDG-PET: Fluorodeoxyglucose positron emission tomography; DLBCL: Diffuse large B-cell lymphoma; FL: Follicular lymphoma; MCL: Mantle cell lymphoma; ETL: Enteropathy associated T-cell lymphoma; ALCL: Anaplastic large cell lymphoma; MLP: Multiple lymphomatous polyposis; PS: Performance status; NS: Not significant.