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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

From: Detection of distant metastases and distant second primary cancers in head and neck squamous cell carcinoma: comparison of [18F]FDG PET/MRI and [18F]FDG PET/CT

Fig. 4

Rib metastasis detected on both PET/MRI (A, B) and PET/CT (C, D) in a 42-year-old female without loco-regional recurrence after radiochemotherapy for a SCC of the paranasal sinuses. The rib lesion (arrows) shows a combination of high focal [18F]FDG uptake (SUVmax on PET/MRI = 6.3 and SUVmax on PET/CT = 4.7) and an expansile aspect on MRI/CT (arrows). Note lesion enhancement on the contrast-enhanced fat-saturated MR image. The lesion was rated with a score of 5 on PET/MRI and with a score of 4 on PET/CT. Dashed arrows point at a liver cyst

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