Co-occurrence of IPMN and malignant IPNB complicated by a pancreatobiliary fistula: A case report and review of the literature

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

Ref.	Year	Sex	Age	IPNB		IPMN		Pancreatobiliary fistula
				Location	Pathology	Location	Pathology
Joo et al[10]	2000	M	60	Left IHD	LGD	Branch duct	LGD	No
Ishida et al[11]	2002	M	67	B1	Without dysplasia	Branch duct	Without dysplasia	No
Yamaguchi et al[12]	2005	M	69	Left IHD	IC	Branch duct	MIC	No
Zalinski et al[13]	2007	F	65	Bilateral	IHD	Main duct	HGD	No
Park et al[14]	2010	M	67	Left IHD	LGD	Mixed duct	LGD	No
Valente et al[15]	2012	M	76	Right IHD	IC	Branch duct	LGD	No
Xu et al[16]	2012	F	68	Left IHD	LGD	Branch duct	Without dysplasia	No
Moon et al[17]	2014	F	66	Left IHD	HGD	Main duct	HGD	No
Bansal et al[18]	2016	M	70	Right IHD	IC	Main duct	IC	No
Ren X et al	2018	M	52	CBD	MIC	Main duct	LGD	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.