Table 1 Patient demographics and cyst characteristics.

Sample no.	Sex	Age (y)	Cyst dia. (mm)	Location	CEA (ng/mL)	Amylase (U/L)	Cytology	String sign	Flow curve type	Final diagnosis	Cyst type
1	Female	46	28	Tail	531	22	Negative	0	I	SC	NMC
2	Male	47	22	Body	49.8	61	Negative	0	III	Simple	NMC
3	Female	75	25	Body	9776	29	Positive	1	II	IPMN	MC
4	Female	68	22	Body	286.4	2896	Negative	0	I	IPMN	MC
5	Female	53	70	Head	24808	67	Positive	1	III	Cancer	MC
6	Female	52	50	Head	0.1	67483	Negative	0	I	SC	NMC
7	Female	21	35	Body	0.1	64	Negative	1	II	SC	NMC
8	Male	21	30	Head	0.1	68	Negative	1	II	SC	NMC
9	Female	59	33	Body	0.1	111	Negative	1	II	SC	NMC
10	Male	77	35	Head	2324	7060	Negative	1	III	IPMN	MC
11	Female	39	35	Body	22.2	107580	Negative	0	II	PC	PC
12	Male	53	26	Body	5.1	282240	Negative	0	II	PC	PC
13	Male	62	20	Body	32.8	27018	Positive	1	II	IPMN	MC
14	Female	58	45	Body	29	50162	Negative	0	II	PC	PC
15	Male	77	30	Body	2.4	118000	Negative	0	III	IPMN	MC
16	Male	53	35	Body	12.4	465	Negative	0	II	SC	NMC
17	Female	70	70	Tail	1.2	60	Negative	0	III	Cancer	MC
18	Male	55	70	Tail	1282	3833	Negative	0	II	PC	PC
19	Male	58	60	Body	18	184000	Negative	1	II	PC	PC
20	Male	56	40	Body	3271	491	Negative	0	III	Cancer	MC
21	Female	78	80	Tail	103970	33	Positive	0	III	Cancer	MC
22	Male	78	30	Body	7.6	737000	Negative	1	III	IPMN	MC

SC - serous cystadenomas; MC - mucinous cyst; NMC - non-mucinous cyst; PC - pseudocyst; IPMN - intraductal papillary mucinous neoplasm. String sign = ‘1’, when there is a high likelihood of a mucinous cyst. Cytology was considered positive if the cytopathologist report included malignant (or suspicious) cells; otherwise, it was considered negative.

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