Nippon Shokakibyo Gakkai Zasshi
Online ISSN : 1349-7693
Print ISSN : 0446-6586
Case report
A case of serous cystic neoplasm with form changes on an image obtained during long-term follow-up
Katsunori MATSUEDATatsuya TOYOKAWATakafumi MAKINOYuya UEDAMasahiro SAKATAIsao FUJITAJouichiro HORIITakako MURAKAMIMasaru INAGAKI
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2017 Volume 114 Issue 9 Pages 1675-1684

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Abstract

A 45-year-old man presented with a 24-mm macrocystic lesion at the pancreatic head, which was detected by computed tomography (CT). During six years of follow-up, CT, MRI, and endosonographic images of the cystic lesion showed that the cystic lesion had enlarged to 42mm, with the appearance of a thick cyst wall. Since a cystic tumor could not be ruled out, surgery was performed. Pathological examination of the resected specimen revealed microcystic-type serous cystadenoma of the pancreas, with the presence of internal bleeding in the cyst and hemorrhage and thick fibrous tissue in the cyst wall. We could observe a serous cystic neoplasm with prismatic form changes on an image obtained during long-term follow-up. Thus, we considered this case to be useful for investigating the natural history of serous cystic neoplasm of the pancreas.

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© 2017 by The Japanese Society of Gastroenterology
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