Tumors of the angle of Treitz: A single-center experience

Table 1 Clinical and pathologic characteristics of patients with tumors of the angle of Treitz

Patient	Age (y)	Gender	Size (cm)	Presentation	Pathology	Surgical procedure	Lymph nodepositive/total	Adjuvant therapy	Site of progression	Cause of death
1	41	Male	15	Health examination	GIST	Segmentectomy	0/0	Gleevec 3 yr
2	74	Male	4	Health examination	GIST	Segmentectomy	0/0
3	59	Male	5	Health examination	GIST	Segmentectomy	0/11
4	36	Male	5	Health examination	GIST	Segmentectomy	0/0
5	66	Female	7.5	Pain	GIST	Segmentectomy	0/0			Obstruction
6	51	Female	6.7	Health examination	GIST	Segmentectomy	0/0	Gleevec 1 yr
7	61	Male	13	Health examination	GIST	Segmentectomy	0/0		Liver	Liver metastasis
8	36	Male	4.5	Bleeding	GIST	Segmentectomy	0/2
9	58	Female	3.2	Pain	GIST	Segmentectomy	0/0
10	40	Male	14	Pain	GIST	Multi-visceral	0/7	Gleevec 3 yr
11	60	Male	8.5	Bleeding, pain, anemia	GIST	Segmentectomy	0/1
12	62	Female	3.3	Pain, vomiting	Cancer	Segmentectomy	0/9
13	46	Female	15	Vomiting, pain, anemia	Cancer	Segmentectomy	2/7	Radiotherapy	Local	Tumor progression

GIST: Gastrointestinal stromal tumors.

Table 2 Immunohistochemical examination and clinical data of 11 gastrointestinal stromal tumors

Patient	CD117	CD34	Desmin	SMA	S-100	Ki67	Mitotic count (/50HPF)	Other malignancy	NIH risk scale
1	+++	-	-	-	-	2%+	3	No	High
2	++	++	-	-	+	< 5%	< 2	No	Low
3	+++	+	-	-	-	2%	< 5	No	Low
4	+++	++	-	++	+	2%+	1	No	Low
5	+++	-	-	-	+	< 2%	1	No	Medium
6	+	++	-	-	+	< 2%	3	No	Medium
7	+	-	-	+	-	5%	1	Colon cancer	High
8	+++	+++	-	-	-	< 5%	1	No	Low
9	+++	+	-	++	+	< 2%	1	Gastric cancer	Low
10	+++	-	-	-	-	15%	> 10	No	High
11	+++	+++		+	-	5%	2	Intestinal GIST 16 years ago	Medium

SMA: Smooth muscle actin; NIH: National Institutes of Health.