Comparison of ¹⁸F-NaF PET/CT and ¹⁸F-FDG PET/CT for Detection of Skull-Base Invasion and Osseous Metastases in Nasopharyngeal Carcinoma

Table 2

Description of osseous metastases detected in 26 patients: number of lesions by location, radiotracer, and follow-up status.

Location	NaF PET/CT	FDG PET/CT	Follow-up positive
Skull (except for skull base)	3	0	2
Sternum and ribs	52	17	46
Centrum	89	39	78
Ilium, pubis, and ischia	39	18	31
Limbs (include scapula and clavicle)	25	7	21
Total	208	81	177