Imaging features of intraductal papillary mucinous neoplasms of the pancreas in multi-detector row computed tomography

Table 1 Relationship between imaging findings on MDCT and surgico-pathological diagnosis of pancreatic IPMNs

MDCT findings	Surgical and pathological results		P
	Benign (n = 8)	Malignant (n = 12)
Largest diameter of cystic lesion	21.6 ± 10.3 mm	43.5 ± 16.5 mm	< 0.05
Caliber of main pancreatic duct	3.3 ± 1.6 mm	7.5 ± 5.5 mm	< 0.05
Morphologic type			< 0.05
Branch duct	4	1
Combined	2	10
Main duct	2	1
Location of cystic lesion			> 0.05
Head and uncinate	4	10
Body	0	1
Tail	2	0
Diffuse	2	1
Solid structures inside lesion			< 0.05
Mural nodules and thick septa	2	10
No mural nodules or thick septa	4	1

MDCT: Multi-detector row computed tomography; IPMNs: Intraductal papillary mucinous neoplasms.