Table 1 Patient characteristics according to the cyst type.

From: GNAS mutation detection in circulating cell-free DNA is a specific predictor for intraductal papillary mucinous neoplasms of the pancreas, especially for intestinal subtype

Characteristics

IPMN (n = 34)

MCN (n = 9)

SPN (n = 10)

SCN (n = 4)

Male/Female (n)

20/14

0/9

1/9

1/3

Age, median (range), year

70 (46–87)

48 (35–59)

34.5 (22–64)

51 (42–62)

Cyst location (n)

Head/body and tail

25/9

0/9

0/10

0/4

Cyst size, median (range), mm

35 (10–90)

48 (30–170)

33.5 (10–160)

26.5 (8–28)

Mural nodule ≥ 5 mm (n)

Absent/Present

13/21

7/2

1/9

3/1

Dilatation of MPD ≥ 10 mm (n)

Absent/Present

26/8

9/0

10/0

4/0

Dilatation of MPD ≥ 5 mm (n)

    

Absent/Present

13/21

9/0

10/0

4/0

Preoperative diagnosis

PDAC/IPMN/MCN/SPN/SCN

4/30/0/0/0

0/0/9/0/0

0/0/0/10/0

0/1/2/0/1

Morphological duct type (n)

Main duct/mixed/branch duct

10/8/16

   

CT/MRI findings

High-risk stigmata

24

   

Worrisome features

9

   

No concerning features

1

   

Operative procedure (n)

PD/DP/TP/MP

23/8/2/1

0/9/0/0

0/8/0/2

0/3/0/1

Histological grade (n)

LGD/HGD/INV

7/16/11

8/1/0

  

Histological subtype (n)

GAS/INT/PB/ONC

14/15/3/2

   
  1. PDAC, Pancreatic ductal adenocarcinoma; IPMN, Intraductal papillary mucinous neoplasms; MCN, Mucinous cystic neoplasm; SPN, Solid pseudopapillary neoplasm; SCN, Serous cystic neoplasm; MPD, Main pancreatic duct; PD, Pancreaticoduodenectomy; DP, Distal pancreatectomy; TP, Total pancreatectomy; CP, Central pancreatectomy; LGD, Low-grade dysplasia; HGD, High-grade dysplasia; INV, Invasive carcinoma; GAS, gastric subtype; INT, intestinal subtype; PB, pancreatobiliary subtype; ONC, oncocytic subtype.