Prognostic Value of Volume-Based Positron Emission Tomography/Computed Tomography in Nasopharyngeal Carcinoma Patients after Comprehensive Therapy

Figure 1

A 59-year-old male with NPC after comprehensive therapy. CT (a), PET (b), and fused (c) images show a mass lesion in nasopharyngeal posterior wall and left lateral wall (red arrow). Results of segmentation using the four described thresholds are shown on transaxial (d), coronal (e), and sagittal views (f). The light red, purple, blue, and green areas were segmented using SUVmax = 2.5, Th20, Th40, and thresholds, respectively.

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