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Japanese Journal of Radiology
Published in: Japanese Journal of Radiology 5/2013

01-05-2013 | Case Report

Food residue granuloma mimicking metastatic disease on FDG-PET/CT

Authors: Antonio Crucitti, Ugo Grossi, Lucia Leccisotti, Fabio Maggi, Riccardo Ricci, Andrea Mazzari, Pasquina M. C. Tomaiuolo, Alessandro Giordano

Published in: Japanese Journal of Radiology | Issue 5/2013

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Abstract

A 31-year-old woman presenting with acute abdomen underwent an emergency Hartmann’s procedure for fecal peritonitis due to perforated adenocarcinoma of the left colon. Shortly after a 7-month course of adjuvant chemotherapy, follow-up contrast-enhanced CT showed multiple peritoneal and hepatic nodules, showing focal intense and homogeneous FDG uptake on FDG-PET/CT, highly suspected for recurrence of disease. Excisional biopsy of the nodules revealed foreign body granulomas made up of alimentary materials surrounded by a fibrous wall. We report a unique case of a false-positive finding secondary to food residues mimicking metastatic disease on FDG-PET in a patient with colon cancer.
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Sobin LH, Gospodarowicz MK, Wittekind Ch, editors. International Union Against Cancer (UICC) TNM Classification of Malignant Tumors. 7th ed. Oxford, UK: Wiley-Blackwell; 2009.
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Cuffy M, Abir F, Audisio RA, Longo WE. Colorectal cancer presenting as a surgical emergency. Surg Oncol. 2004;13:149–57.PubMedCrossRef
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Chen LB, Tong JL, Song HZ, Zhu H, Wang YC. (18)FDG PET/CT in detection of recurrence and metastasis of colorectal cancer. World J Gastroenterol. 2007;13:5025–9.PubMed
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Shreve PD, Anzai Y, Wahl RL. Pitfalls in oncologic diagnosis with FDG PET imaging: physiologic and benign variants. Radiographics. 1999;19(1):61–77.PubMed
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Miyake KK, Nakamoto Y, Mikami Y. F-18 FDG PET of foreign body granuloma. Pathological correlation with imaging features in 3 cases. Clin Nucl Med. 2010;35:853–7.PubMedCrossRef
Metadata
Title
Food residue granuloma mimicking metastatic disease on FDG-PET/CT
Authors
Antonio Crucitti
Ugo Grossi
Lucia Leccisotti
Fabio Maggi
Riccardo Ricci
Andrea Mazzari
Pasquina M. C. Tomaiuolo
Alessandro Giordano
Publication date
01-05-2013
Publisher
Springer Japan
Published in
Japanese Journal of Radiology / Issue 5/2013
Print ISSN: 1867-1071
Electronic ISSN: 1867-108X
DOI
https://doi.org/10.1007/s11604-013-0184-x

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