Imaging findings of inflammatory pseudotumor‑like follicular dendritic cell sarcoma of the spleen: A case report and literature review

Zhang,Jiaren; He,Lian; Ma,Xuejin; Wang,Ji; Qiu,Yi; Jiang,Lin

doi:10.3892/ol.2022.13519

Imaging findings of inflammatory pseudotumor‑like follicular dendritic cell sarcoma of the spleen: A case report and literature review

Authors:
- Jiaren Zhang
- Lian He
- Xuejin Ma
- Ji Wang
- Yi Qiu
- Lin Jiang
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Affiliations: Department of Radiology, The First People's Hospital of Zunyi, The Third Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China, Department of Radiology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, P.R. China
Published online on: September 22, 2022 https://doi.org/10.3892/ol.2022.13519
Article Number: 399
Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Inflammatory pseudotumor‑like follicular dendritic cell sarcoma (IPT‑like FDCS) is a low‑grade malignant tumor type caused by the proliferation of follicular dendritic cells. It is a distinct subtype of FDCS that is rarely encountered in the clinic and is overwhelmingly associated with Epstein‑Barr virus infection. As it is a sporadic disease with a low specificity of clinical and imaging manifestations, it is less frequently considered a diagnosis, resulting in a low preoperative diagnostic rate and easy misdiagnosis. The present study reported the ultrasound, CT and MRI features of a patient with splenic IPT‑like FDCS and discussed this rare subtype of FDCS based on a review of previously published literature to provide radiologists with a broader understanding of the differential diagnosis of splenic lesions.

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