Surgery for Cystic Pancreatic Lesions in the Post-Sendai Era: A Single Institution Experience

Table 3

Histopathological characteristics ().

Pseudocyst	1
Retention cyst	1
Serous cystic neoplasia	14
Microcystic	8
Oligocystic	3
Macrocystic	1
ns	2
Solid pseudopapillary neoplasia	3
Mucinous cystic neoplasia	13
Low grade IEN	11
High grade IEN	2
IPMN	53
Side branch
Low grade IEN	19
High grade IEN	0
Mixed type
Low grade IEN	14
High grade IEN	0
Invasive cancer	1 with pT1 pN0
Main duct
Low grade IEN	14
High grade IEN	4
Invasive cancer	1 with pT1 pN0
Gastric	27
Intestinal	17
Pancreatobiliary	1
Oncocytic	1
ns	7
IPNB	1

IPMN: intraductal papillarymucinous neoplasm; IPNB: intraductal papillary neoplasm of bile duct; IEN: intraepithelial neoplasia; ns: not specified.