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CC BY-NC-ND 4.0 · World J Nucl Med 2018; 17(02): 120-122
DOI: 10.4103/wjnm.WJNM_30_17
Case report

Massive tumor thrombus in left renal vein and inferior vena cava in renal cell carcinoma on 18-fluorodeoxyglucose positron emission tomography/computerized tomography: “suspension bridge sign”

Maseeh Zaman
Department of Radiology, The Aga Khan University Hospital, Karachi, Pakistan
,
Nosheen Fatima
Department of Radiology, The Aga Khan University Hospital, Karachi, Pakistan
,
Areeba Zaman
1   Dow Medical College, Dow University of Health Sciences, Karachi, Pakistan
,
Unaiza Zaman
2   Department of Medicine, Civil Hospital, Karachi, Pakistan
,
Rabia Tahseen
2   Department of Medicine, Civil Hospital, Karachi, Pakistan
,
Sidra Zaman
1   Dow Medical College, Dow University of Health Sciences, Karachi, Pakistan
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Tumor thrombosis is a relatively uncommon complication of renal cell carcinoma (RCC), and its diagnosis has therapeutic and prognostic implication. Computerized tomography (CT) is the primary imaging modality for staging RCC, but it has low sensitivity to differentiate between tumor thrombus and bland or benign thrombus. 18-fluorodeoxyglucose positron emission tomography/CT (PET/CT) has a limited role in diagnosis and staging of RCC, but its diagnostic accuracy is considerably high for detection of metabolically active tumor thrombus. We are presenting a case of metastatic left-sided RCC with massive hypermetabolic tumor thrombus extending from left kidney to left renal vein and inferior vena cava giving an interesting “Suspension Bridge” appearance on PET/CT images.

Keywords

18-fluorodeoxyglucose positron emission tomography/computerized tomography - bland thrombus - massive tumor thrombus - renal cell carcinoma


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Artikel online veröffentlicht:
17. Mai 2022

© 2018. Sociedade Brasileira de Neurocirurgia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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