Evidence of Subclavian Vein Thrombosis on First-Pass 18FDG PET in a Patient with Relapsing Upper Mediastinum Lymphoma
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Baseline 18F-FDG PET was performed in a 74-year-old patient with relapsing upper mediastinum lymphoma. Left subclavian thrombosis was suspected on prior contrast-enhanced CT. Dynamic PET imaging was achieved during 3 min after IV injection of 18F-FDG to the left arm in order to further assess left subclavian vein permeability. The 20-s dynamic frame at 1 min after injection confirmed the absence of flow in the left subclavian vein and evidenced the derivation of 18F-FDG through left axillary, then superficial, then right internal mammary collaterals to the superior vena cava, hence confirming the subclavian thrombosis.
KeywordsFDG PET First-pass Deep vein thrombosis Lymphoma
Compliance with Ethical Standards
Conflict of Interest
Fayçal Ben Bouallègue, Fabien Vauchot, and Denis Mariano-Goulart declare that they have no conflict of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from all individual participants included in the study.