Extrapancreatic malignancies and intraductal papillary mucinous neoplasms of the pancreas

Table 1 Studies reporting extrapancreatic malignancies in patients with intraductal papillary mucinous neoplasm

Authors	Year	n (IPMN)	Frequency secondary malignancies (%)	Polyps (%)	Colon Ca (%)	Gastric Ca (%)	Dx before or with IPMN (%)
Reid-Lombardo et al[13]	2010	4711	52	24	4	0	100
Oh et al[6]	2009	372	38	3	8	8	86
Baumgaertner et al[14]	2008	1782	17	NR	2	NR	70
Yoon et al[8]	2008	2102	34	NR	7	14	94
Ishida et al[15]	2008	612	24	NR	8	10	93
Riall et al[7]	2007	9923	10	NR	3	0.1	86
Choi et al[4]	2006	612	39	3	7	13	88
Eguchi et al[5]	2006	692	42	NR	12	6	66
Kamisawa et al[12]	2005	79	35	NR	9	15	87.5
Sugiyama et al[11]	1999	422	48	21	12	10	75

¹Do not evaluate secondary malignancies after diagnosis of intraductal papillary mucinous neoplasm (IPMN); ²Included patients with resected IPMNs only; ³Population based. Invasive IPMNs only. NR: Not reported.