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

Table 1

Demographic and clinical characteristics of study patients.

Characteristics	Number of patients ()	%
Age
Range (22–73 years)
Median (52 years)
Gender
Male	36	80
Female	9	20
Histology
Squamous carcinoma	38	84.4
Undifferentiated carcinoma	7	15.6
Pretreatment	35	77.8
Posttreatment	10	22.2