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. Author manuscript; available in PMC: 2023 Jun 18.
Published in final edited form as: Surg Oncol Clin N Am. 2022 Oct;31(4):569–579. doi: 10.1016/j.soc.2022.06.001

Fig. 2.

Fig. 2.

18F-FES imaging in patient with left breast ER-positive HER2-negative ILC and oropharyngeal mass for which nondiagnostic biopsy had been performed. (A) Shows left breast mass with 18F-FES uptake on fused PET-CT reflecting ER positivity. (B) Shows 18-F PET highlighting tumor in left breast, with expected uptake of 18F-FES in liver and gastrointestinal tract. In (C), left breast is imaged with dedicated breast PET using 18-F FES, identifying a possible satellite lesion anterior to known tumor. Finally, (D) shows image from CT scan demonstrating irregular oropharyngeal mass, and fused image from 18-F FES PET-CT (E) shows no uptake in mass, suggesting that this mass was unrelated to primary ILC tumor.