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BMC Surgery
Published in: BMC Surgery 1/2017

Open Access 01-12-2017 | Case report

Primary pancreatic-type acinar cell carcinoma of the jejunum with tumor thrombus extending into the mesenteric venous system: a case report and literature review

Authors: Kosei Takagi, Takahito Yagi, Takehiro Tanaka, Yuzo Umeda, Ryuichi Yoshida, Daisuke Nobuoka, Takashi Kuise, Toshiyoshi Fujiwara

Published in: BMC Surgery | Issue 1/2017

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Abstract

Background

Although ectopic pancreatic tissue is common in the upper gastrointestinal tract, the incidence of ectopic pancreatic tissue in the jejunum is low, and malignant transformation in ectopic pancreatic tissue is rare. Furthermore, pancreatic-type acinar cell carcinoma (ACC) developing in the jejunum and ACC accompanied by tumor thrombus are extremely rare.

Case presentation

A 78-year-old-woman presented with melena. Abdominal computed tomography images and endoscopic examination revealed a submucosal jejunal mass with tumor thrombus extending into a jejunal vein. The patient underwent a curative resection combined with a partial jejunectomy and partial pancreatectomy. Histopathological examination of the resected tissue showed tumor cells with a homogeneous acinar architecture identical to pancreatic-type ACC and tumor thrombus. Postoperatively, she was followed for 10 months and had no recurrence.

Conclusion

We present an extremely rare case of pancreatic-type ACC in the jejunum with extensive tumor thrombus invading into the mesenteric venous system. This type of cancer has not been reported previously but should be considered in the differential diagnosis of a jejunal mass.
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Metadata
Title
Primary pancreatic-type acinar cell carcinoma of the jejunum with tumor thrombus extending into the mesenteric venous system: a case report and literature review
Authors
Kosei Takagi
Takahito Yagi
Takehiro Tanaka
Yuzo Umeda
Ryuichi Yoshida
Daisuke Nobuoka
Takashi Kuise
Toshiyoshi Fujiwara
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Surgery / Issue 1/2017
Electronic ISSN: 1471-2482
DOI
https://doi.org/10.1186/s12893-017-0273-3

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