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Year : 2019  |  Volume : 18  |  Issue : 2  |  Page : 192-193

18F-fluorodeoxyglucose positron emission tomography/computed tomography in extensive bland portal vein thrombosis from retroperitoneal adenocarcinoma

Department of Radiology, Division of Nuclear Medicine, Mcgill University, Montreal, QC, Canada

Correspondence Address:
Guillaume Chausse
Department of Nuclear Medicine, Jewish General Hospital, G19, 3755 Cote-st-Catherine Road, Montreal, QC
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DOI: 10.4103/wjnm.WJNM_8_18

PMID: 31040755

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A 73-year-old woman undergoing hormone therapy for previously treated localized breast cancer presented at oncology follow-up 4 years after mastectomy/radiation therapy with weight loss, night sweats, and abdominal pain. Contrast computed tomography (CT) abdomen revealed a soft-tissue mass posterior to the pancreas, several enlarged retroperitoneal lymph nodes, and a dilated portal vein. On 18F-fluorodeoxyglucose positron emission tomography/CT, metabolic activity extended along the portal vein, outlining most of the liver venous system. This “tree-like” appearance was diagnostic of recent portal vein thrombosis by vascular compression from the retroperitoneal mass. Biopsy of the mass later confirmed undifferentiated adenocarcinoma without breast cancer marker expression.

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