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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