JMA Journal

Table 1. Clinical Characteristics and Tumor Location.

From: Wedge Resection for Duodenal Gastrointestinal Stromal Tumors: Surgical Management and the Clinicopathological Outcome

Case	Age (year)	Sex	Initial symptom	Findings of enhanced CT	Findings of EGD	Preoperative diagnosis	Location	Precise mural location of the duodenum
1	43	M	Bleeding	Enhanced mass	SMT with ulceration	GIST	Third	Anti-mesenteric
2	75	F	〃	〃	SMT	S/O GIST	〃	Anti-mesenteric
3	83	M	Hematemesis	〃	SMT with ulceration	〃	〃	Mesenteric
4	57	M	Bleeding	〃	〃	〃	〃	Mesenteric
5	70	M	〃	〃	〃	〃	Second	Anti-mesenteric
6	54	M	〃	〃	〃	〃	Fourth	Mesenteric

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Table 2. Surgical Procedure and Histopathological and Immunohistochemical Findings.

From: Wedge Resection for Duodenal Gastrointestinal Stromal Tumors: Surgical Management and the Clinicopathological Outcome

Case	Surgical operation	Approach	Intraoperative endoscopy	Size	Mitotic count	TNM	Stage	Resectional status	Tumor ulceration	KIT	CD34	S100	Desmin
1	Wedge resection with suturing	Open	None	30 mm	≧6/5 mm²	T2N0M0	IIIB	R0	(+)	(+)	(+)	(−)	(−)
2	〃	〃	〃	25 mm	≦5/5 mm²	T2N0M0	I	R0	(−)	(+)	(+)	(−)	(−)
3	〃	〃	〃	35 mm	≦5/5 mm²	T2N0M0	I	R0	(+)	(+)	(+)	(−)	(−)
4	〃	〃	〃	29 mm	≦5/5 mm²	T2N0M0	I	R0	(+)	(+)	(−)	(−)	(−)
5	〃	〃	〃	38 mm	≦5/5 mm²	T2N0M0	I	R0	(+)	(+)	(−)	(+)	(−)
6	〃	〃	〃	75 mm	≦5/5 mm²	T3N0M0	II	R0	(+)	(+)	(+)	(−)	(−)

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Table 3. Adjuvant Chemotherapy and the Outcome and Survival.

From: Wedge Resection for Duodenal Gastrointestinal Stromal Tumors: Surgical Management and the Clinicopathological Outcome

Case	Postoperative complication	Postoperative stay (day)	Adjuvant chemotherapy	Recurrence	Status
1	None	11	Imatinib	None	3y6m alive
2	〃	13	None	〃	5y alive
3	〃	14	〃	〃	6y4m alive
4	〃	10	〃	〃	6y3m alive
5	〃	14	〃	〃	12y alive
6	〃	15	〃	〃	15y8m alive

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