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Tumor Thrombus on 18F-FDG PET/CT in Stage IV Plasmablastic Lymphoma
Thibaut Jacquet1, Virginie Huchet1, Manel Bedoui2
1From the Departments of Nuclear Medicine.
A 71-year-old woman with a history of back pain and recent weight loss presented to the emergency department with hematuria. A CT scan was performed and showed left retroperitoneal mass with left renal vein thrombus extended to the vena cava. Tumor biopsy revealed plasmablastic lymphoma. Staging with 18F-FDG PET/CT scan was performed and revealed pulmonary, hepatic, and left supraclavicular lymph node extension. The left retroperitoneal mass showed intense FDG uptake and was associated with widespread tumor thrombus in the peripheral abdominal veins. Differentiating tumor thrombus from bland thrombosis has a significant impact on patient's management.
A 71-year-old woman with a history of back pain and recent weight loss presented to the emergency department with hematuria. A CT scan was performed and showed left retroperitoneal mass with left renal vein thrombus extended to the vena cava. Tumor biopsy revealed plasmablastic lymphoma. Staging with 18F-FDG PET/CT scan was performed and revealed pulmonary, hepatic, and left supraclavicular lymph node extension. The left retroperitoneal mass showed intense FDG uptake and was associated with widespread tumor thrombus in the peripheral abdominal veins. Differentiating tumor thrombus from bland thrombosis has a significant impact on patient's management.
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