TABLE 3.

Characteristics of Pancreatic IPMN Cases

				Pancreatic Cyst
Case No.	Age at Diagnosis, y	Type of IPMN	Clinical Characteristics	No.	Size, mm	Location	MPD Dilatation, mm	EUS/ERCP	CEA, ng/mL	Change in Cysts/ Progression	Current Status	Follow-up, mo	Image
1	69*	BD	Incidental finding, asymptomatic	7	30	Head	3	No	NA	NA	No follow-up since initial imaging	NA	Figure 3A
2	58†‡	BD	Incidental finding, asymptomatic Transplant	2	20	Head and tail	3	EUS—clear communication seen with MPD	NA	Increase	Alive—no complications	124	Figure 3B
3	72§	MD	Symptomatic, abdominal pain	NA	NA	NA	>10	ERCP—thick mucus from widely patent MPD	NA	Increase	Deceased—IPMN-related SBO	56	Figure 3C and 3D
4	60†‡	BD	Incidental finding during biliary sepsis, asymptomatic	8	5	Head, body, and tail	3	No	NA	No change	Alive—no complications	51	Supplemental Figure 2
5	72†	BD	Incidental finding, asymptomatic	2	11	Body and tail	3	No	NA	Minimal increase	Alive—no complications	27	Supplemental Figure 3
6	47†	BD	Incidental finding, asymptomatic	1	11	Head	2	No	NA	No change	Alive—no complications	12	Supplemental Figure 4
7	70§	BD	Incidental finding during biliary sepsis Transplant	3	14	Head and body	3	EUS—communi-cation with MPD	315	Decrease	Alive—no complications	33	Supplemental Figure 5
8	61*	BD	Incidental finding, asymptomatic Transplant	1	21	Head	2	EUS—irregular MPD with dilated branch ducts in tail	2,400	Increase	Deceased—unrelated to IPMN	88	Supplemental Figure 6
9	66*	MPD	Pancreatitis Transplant	No image available pre-subtotal pancreatectomy				ERCP—outside hospital	NA	Resected	NA—total pancreatectomy	NA	NA
10	75§	MPD	Incidental finding, asymptomatic	3	23	Head and tail	2	EUS—clear communication with MPD	NA	NA	Deceased—unrelated to IPMN	20	Supplemental Figure 7
11	60*	MT	Abnormal LFTs Transplant	1	40	Head	5	ERCP—dilated side branches with mucus extruding from major and minor papilla	1.9	No change	Deceased—unrelated to IPMN	112	Supplemental Figure 8
12	64*	MT	Transplant	Numerous	28	Head and body	8	EUS—upstream pancreatic duct dilation, smaller cysts in pancreas tail	40	Increase	Alive—proceeded to Whipple procedure at outside hospital; severe dysplasia on histologic evaluation	NA	Supplemental Figure 9

^*Cysts and family history.

^†PKD1 mutation identified.

^‡Patient in the ADPKD MRI cohort.

^§Cysts only as per Pei criteria.

BD indicates branch duct; CEA, carcinoembryonic antigen; ERCP, endoscopic retrograde cholangiopancreatography; EUS, endoscopic ultrasonography; IPMN, intraductal papillary mucinous neoplasm; LFT, liver function test; MD, main duct; MT, mixed type; NA, not available; SBO, small-bowel obstruction.