Table 4

Risk of high-grade dysplasia or malignancy according to cyst size in branch duct IPMN

ReferenceStudy designNumber of patientsCyst sizePatients with either high-grade dysplasia or malignancy (%)
Woo et al 109 2009Retrospective190>30 mm28.5%
Sadakari et al 110 2010Retrospective73>30 mm3.6%
26.3% (if MPD>5 mm)
Ohtsuka et al 143 2012Retrospective172>30 mm29.2%
Hirono et al 96 2012Retrospective134>30 mm47.4%
Sahora et al 85 2013Retrospective240>30 mm12%
Masica et al, 2017Retrospective584>40 mm88% sensitivity
40% specificity
  • IPMN, intraductal papillary mucinous neoplasm; MPD, main pancreatic duct.