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Fig. 1 | Cancer Imaging

Fig. 1

From: Impact of 3T multiparametric MRI and FDG-PET-CT in the evaluation of occult primary cancer with cervical node metastasis

Fig. 1

Images collected from a 64-year-old male with T1 nasopharyngeal carcinoma and bilateral metastatic nodes. Axial contrast-enhanced T1-weighted fat suppression (CET1WFS) image (a) shows a small enhancing lesion in the left side of the nasopharynx (arrows). Coronal T1W image (b) shows bilateral LN involvement. Bilateral diffusion restriction with signal increase can be seen in the axial trace DW images (c and d, b-value: 1,000 s/mm2, ADC: left 0.772, right 0.758 ×10−3mm2/s in the PT and 0.991 ×10−3mm2/s median ADC value was found in the LNs). Increased uptake corresponding to the occult primary tumour (arrow) can be seen on the sagittal PET/CT fusion image (e) of metastatic nodes (lower arrow) as well as on the axial FDG-PET scan (f). SCC of nasopharynx, stage T1N2M0

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