FDG PET/CT in Duodenal Follicular Dendritic Cell Sarcoma.
case_report · Level V
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- Record sourced from PubMed, PMID 41771039.
- Also identified by DOI 10.1097/RLU.0000000000006336 and PMC identifier 12947916.
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Abstract
Follicular dendritic cell sarcoma (FDCS) of the duodenum is extremely rare. We describe the contrast-enhanced CT and FDG PET/CT findings in a case of duodenal FDCS. Contrast-enhanced CT revealed a large, irregular mass originating from the horizontal portion of the duodenum. The mass demonstrated heterogeneous enhancement, with internal areas of low-attenuation necrosis and coarse calcifications. The mass showed significantly increased FDG uptake. The patient underwent surgical resection, and histopathologic examination revealed a spindle cell tumor positive for CD21 and CD35, confirming the diagnosis of FDCS.
Medical subject headings
- Positron Emission Tomography Computed Tomography
- Dendritic Cell Sarcoma, Follicular
- Fluorodeoxyglucose F18
- Duodenal Neoplasms