IgG4-Related Disease Simulating Carcinoma Colon With Diffuse Peritoneal Carcinomatosis on 18F-FDG PET/CT

Clinical Nuclear Medicine
Shelvin Kumar VadiSaroj Kumar Sinha

Abstract

IgG4-related disease (IgG4-RD) continues to be a diagnostic challenge and a great mimicker of malignancies. We report here a case of young man who presented with subacute intestinal obstruction with initial imaging and clinical features suggestive of carcinoma colon. F-FDG PET/CT showed diffuse peritoneal carcinomatosis pattern typically seen with abdominal malignancies. However, the histopathology and the raised IgG4 levels diagnosed it to be IgG4-RD. Although F-FDG PET/CT has typical patterns corresponding to the multisystemic involvement of IgG4-RD, the index case did not show any such findings.

References

Jun 26, 2013·AJR. American Journal of Roentgenology·Sandeep S HedgireMukesh G Harisinghani
Apr 26, 2014·European Journal of Nuclear Medicine and Molecular Imaging·Jingjing ZhangZhaohui Zhu
Dec 8, 2014·Lancet·Terumi KamisawaJohn H Stone
Apr 18, 2015·Medicine·Dai InoueYoh Zen
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Dec 22, 2016·Endoscopic Ultrasound·Ritambhra NadaDeepak K Bhasin
Jun 8, 2018·Clinical Nuclear Medicine·Ashwin Singh PariharSaroj Kumar Sinha

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Citations

Nov 13, 2019·Clinical Nuclear Medicine·Omar Dario Rodriguez FonsecaFrancisco Manuel Gonzalez
Jun 10, 2020·The British Journal of Radiology·Mohab M ElmohrPerry J Pickhardt
Aug 15, 2018·Clinical Nuclear Medicine·Shelvin Kumar VadiHarshal S Mandavdhare
Oct 23, 2020·Clinical Case Reports·Che-Wei ChangJhen-Hao Jhan

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