A case of serous cystic neoplasm with form changes on an image obtained during long-term follow-up

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 thi...

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Published inNippon Shōkakibyō Gakkai zasshi Vol. 114; no. 9; p. 1675
Main Authors Matsueda, Katsunori, Toyokawa, Tatsuya, Makino, Takafumi, Ueda, Yuya, Sakata, Masahiro, Fujita, Isao, Horii, Jouichiro, Murakami, Takako, Inagaki, Masaru
Format Journal Article
LanguageJapanese
Published Japan 2017
Subjects
Cystadenoma, Serous - diagnostic imaging
Cystadenoma, Serous - surgery
Follow-Up Studies
Humans
Magnetic Resonance Imaging
Male
Middle Aged
Multimodal Imaging
Pancreatic Neoplasms - diagnostic imaging
Pancreatic Neoplasms - pathology
Pancreatic Neoplasms - surgery
Tomography, X-Ray Computed
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Summary: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.
ISSN:0446-6586
DOI:10.11405/nisshoshi.114.1675