Reoperation for heterochronic intraductal papillary mucinous neoplasm of the pancreas after bile duct neoplasm resection: A case report

Table 1 Reported intraductal papillary neoplasms in the biliary and pancreatic duct

Ref.	Sex	Age	IPNB		IPMN		Heterochronic occurrence	Pancreaticobiliary maljunction
			Location	Pathology	Location	Pathology
Joo et al[5], 2000	Male	60	Left IHD	LGD	Branch duct	LGD	No	No
Ishida et al[6], 2002	Male	67	B1	Without dysplasia	Branch duct	Without dysplasia	No	No
Yamaguchi et al[7], 2005	Male	69	Left IHD	IC	Branch duct	MIC	No	No
Zalinski et al[8], 2007	Female	65	Bilateral IHD	IC	Main duct	HGD	No	No
Park et al[9], 2010	Male	67	Left IHD	LGD	Mixed duct	LGD	No	No
Valente et al[10], 2012	Male	76	Right IHD	IC	Branch duct	LGD	No	No
Xu et al[11], 2012	Female	68	Left IHD	LGD	Branch duct	Without dysplasia	No	No
Moon et al[12], 2014	Female	66	Left IHD	HGD	Main duct	HGD	No	No
Bansal et al[13], 2016	Male	70	Right IHD	IC	Main duct	IC	No	No
Kitahama et al[14], 2021	Male	52	CBD	MIC	Main duct	LGD	No	No
Aslam et al[15], 2020	Male	73	Left IHD	LGD	Main duct	HGD	No	No
Our case	Male	67	Left IHD	IC	Main duct	IC	Yes	Yes

IHD: Intrahepatic duct; LGD: Low-grade dysplasia; HGD: High-grade dysplasia; B1: Caudate lobe bile duct; IC: Invasive carcinoma; MIC: Microinvasive carcinoma; CBD: Common bile duct; IPNB: Intraductal papillary neoplasm of the bile duct; IPMN: Intraductal papillary mucinous neoplasm.