Surgical method choice and coincidence rate of pathological diagnoses in transduodenal ampullectomy: A retrospective case series study and review of the literature

Table 1 Transduodenal ampullectomy of ampullary lesions

Case	Sex	Age (y)	Tumor size (cm)	Resection margin	Biopsy pathology	Frozen-section pathology	Postoperative pathology	Tumor recurrence	Survival time (m)	Outcome	Complication
1	M	56	1.5×1.5	R0	3	1	1	No	70	Alive	No
2	F	60	2.0×1.0	R0	1	2	2 (pTis)	No	41	Alive	No
3	M	77	1.5×1.5	R0	4	1	1	No	32	Alive	No
4	F	69	1.5×1.5	R0	4	2	2 (pT1)	No	29	Alive	No
5	F	59	2.0×1.3	R0	1	5	5	No	18	Alive	No
6	F	67	2.4×2.2	R0	1	1	1	No	13	Alive	No
7	F	64	1.5×1.2	R0	3	2	2 (pT1)	No	13	Alive	No
8	M	57	2.5×1.5	R0	1	1	1	No	11	Alive	No
9	M	51	1.5×1.5	R0	6	6	6	No	7	Alive	No
10	F	62	1.0×1.0	R0	1	6	6	No	6	Alive	Yes (bleeding)

1: Tubulovillous adenoma; 2: Adenocarcinoma; 3: Dysplasia; 4: Adenomatous hyperplasia; 5: Serrated adenoma; 6: Intraepithelial neoplasia. M: Male; F: Female; y: Year; m: Month; pTis: Pathological carcinoma in situ; pT1: Pathological tumor limited to the ampulla of Vater or the sphincter of Oddi.