Table 3.

Preoperative index of suspicion of malignancy and final diagnosis in benign pancreatoduodenectomy

No	M/F	Age (years)	Symptoms	Ca19.9 kU/L	Pathology	Radiology	EUS	Index suspicion	Final diagnosis
1	M	54	Non-specific	<34	n.a.	Neoplasm	n.a.	Suggestive	CAP
11	M	52	Strong	<34	n.a.	Neoplasm	n.a.	Strong	CAP
12	M	59	Suggestive	<34	n.a.	CP	n.a.	Non-specific	CAP
2	F	48	Non-specific	<34	n.a.	Neoplasm and CP	n.a.	Suggestive	CIP
4	M	41	Strong	<34	n.a.	Non-specific	n.a.	Suggestive	CIP
14	M	58	Non-specific	<34	n.a.	Neoplasm	CP	Suggestive	CIP
3	F	50	Suggestive	<34	Benign	CP	n.a.	Non-specific	COP
6	M	55	Strong	n.a.	n.a.	CP	n.a.	Suggestive	COP
8	F	48	Suggestive	<34	n.a.	Neoplasm and CP	n.a.	Suggestive	COP
17	M	57	Strong	50	n.a.	Neoplasm	n.a.	Strong	COP
18	M	71	Strong	<34	n.a.	Neoplasm and CP	n.a.	Strong	COP
20	M	68	Suggestive	1308	n.a.	Neoplasm and CP	CP	Strong	COP
21	F	52	Non-specific	<34	n.a.	Non-specific	n.a.	Non-specific	COP
7	M	75	Suggestive	68	n.a.	Neoplasm	n.a.	Suggestive	AIP type 1
16	M	69	Strong	23284	n.a.	Neoplasm	n.a.	Strong	AIP type 1
15	M	33	Suggestive	<34	n.a.	Non-specific	Neoplasm	Suggestive	AIP type 2
5	M	73	Suggestive	<34	Benign	Neoplasm	n.a.	Suggestive	AIP type 2
10	M	53	Suggestive	1689	Benign	CP	n.a.	Strong	AIP type 2
23	F	28	Suggestive	<34	Malignant	Neoplasm and CP	Neoplasm and CP	Strong	AIP type 2
19	M	40	Suggestive	<34	Benign	Neoplasm	Neoplasm	Suggestive	AIC
9	M	52	Non-specific	n.a.	Benign	n.a.	n.a.	Non-specific	Crohn’s
13	M	66	Strong	<34	Atypical	CP	Non-specific	Strong	IC
22	F	59	Suggestive	<34	Benign	Neoplasm	Non-specific	Suggestive	Papillary fibrosis

n.a not available. Ca 19.9 normal <34 kU/L, CP chronic pancreatitis, CAP chronic alcoholic pancreatitis, CIP chronic idiopathic pancreatitis, COP chronic obstructive pancreatitis (stones, neoplasm, divisum), AIP autoimmune pancreatitis, AIC autoimmune cholangitis, IC idiopathic cholangitis