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. Author manuscript; available in PMC: 2024 Jul 27.
Published in final edited form as: Best Pract Res Clin Rheumatol. 2023 Jul 27;37(1):101856. doi: 10.1016/j.berh.2023.101856

Figure 4. Pitfalls to FDG-PET Interpretation.

Figure 4.

FDG-PET imaging demonstrating extravasation of FDG at the left arm injection site with lymphatic drainage of FDG along the upper extremity vasculature. This finding could be misinterpreted as active vasculitis or interfere with evaluation of true disease of the adjacent axillary and subclavian arteries.