Health Evaluation and Promotion
Online ISSN : 1884-4103
Print ISSN : 1347-0086
ISSN-L : 1347-0086
Original Articles
Evaluation and measures of pancreatic cancer screening by ultrasonography in general medical checkups
Keiko KumadaKazuko TanakaYukiko MiyashitaKumiko HoriuchiSatomi AikawaEiko YamadaKanae TamemotoHideko WatanabeKyoko TsujinoTakayasu FurubayashiKatsuto Tokunaga
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JOURNAL OPEN ACCESS

2014 Volume 41 Issue 2 Pages 259-267

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Abstract

 Recent reports have described that early detection of pancreatic cancer can be facilitated by using endoscopic ultrasound (EUS) and endoscopic retrograde cholangiopancreatography (ERCP) for histological or cytological examinations, or by close follow-up observation of high-risk groups, such as branch duct intraductal papillary mucinous neoplasm (branch duct IPMN) cases. We studied the results of medical checkups for pancreatic cancer by abdominal ultrasonography on 14,151 subjects (9,355 males and 4,796 females; mean age 52) receiving general medical checkups in fiscal 2011. The results showed findings in 2.0% of subjects, and the detection rates of pancreatic cysts and dilated pancreatic ducts, which are indirect findings of pancreatic cancer, were 1.0% and 0.6%, respectively. The detection rate of pancreatic cysts was above that reported at other institutions (0.7%). Among subjects advised to receive a thorough pancreatic cancer examination, 78% did so, and the pancreatic cancer detection rate was 0.007%, which both compared well to other medical checkup facilities. Branch duct IPMN, involving a high pancreatic cancer risk, had a 0.12% detection rate, occurring more often with complications of pancreatic cysts with dilated pancreatic ducts. Such cases would require thorough examinations and follow-up observation. The detection rate of pancreatic tumors in the thorough examinations was 0.15%. The detection rate with EUS was 100%, but CT/MRI was lower (18%). However, most cases underwent only CT/MRI, and no more than 10% underwent EUS. To enhance screening efficiency, it is important for a screening facility to increase pancreatic imaging capacity and elevate detection rates for groups with higher risks of pancreatic cancers including pancreatic cysts, dilated pancreatic ducts, and branch duct IPMN.

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© 2014 Japan Society of Health Evaluation and Promotion
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