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Open Access 01-12-2014 | Case report

Inflammatory pseudotumor of the liver diagnosed as metastatic liver tumor in a patient with a gastrointestinal stromal tumor of the rectum: report of a case

Authors: Yoichi Matsuo, Mikinori Sato, Takahiro Shibata, Mamoru Morimoto, Ken Tsuboi, Tomoya Shamoto, Takahisa Hirokawa, Takafumi Sato, Hiroki Takahashi, Hiromitsu Takeyama

Published in: World Journal of Surgical Oncology | Issue 1/2014

Abstract

Background

Inflammatory pseudotumor (IPT) of the liver is a rare benign lesion. A case of IPT of the liver found in association with a malignant gastrointestinal stromal tumor (GIST) is reported.

Case report

A 74-year-old man was admitted to our hospital for a liver tumor. He previously underwent rectal amputation for a malignant GIST. Computed tomography (CT) revealed a low-density area in the liver and dynamic contrast-enhanced MRI (EOB-MRI) showed that the tumor was completely washed out in the delayed phase. ¹⁸Fluorine-fluorodeoxyglucose positron emission tomography (FDG-PET) showed strong uptake in the liver. A diagnosis of liver metastasis was made and partial hepatectomy was performed. Microscopic examination showed that the tumor was an IPT.

Conclusion

Differential diagnosis between IPT and malignant neoplasms is difficult. Moreover, FDG-PET revealed strong uptake in the tumor. To our knowledge, this is the first patient reported to have an IPT in association with a rectal GIST. This patient is discussed along with a review of the literature.

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Title: Inflammatory pseudotumor of the liver diagnosed as metastatic liver tumor in a patient with a gastrointestinal stromal tumor of the rectum: report of a case
Authors: Yoichi Matsuo
Mikinori Sato
Takahiro Shibata
Mamoru Morimoto
Ken Tsuboi
Tomoya Shamoto
Takahisa Hirokawa
Takafumi Sato
Hiroki Takahashi
Hiromitsu Takeyama
Publication date: 01-12-2014
Publisher: BioMed Central
Published in: World Journal of Surgical Oncology / Issue 1/2014
Electronic ISSN: 1477-7819
DOI: https://doi.org/10.1186/1477-7819-12-140

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Inflammatory pseudotumor of the liver diagnosed as metastatic liver tumor in a patient with a gastrointestinal stromal tumor of the rectum: report of a case

Abstract

Background

Case report

Conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Background

Case report

Conclusion

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