he whole by body imaging were performed in 468 cases of nasopharyngeal carcinoma patients. The results showed that the incidence of bone metastasis was 56.28%. In 130 of 468 patients performed also with skull tomography the incidence of bone metastasis can raise to 66.3%.Finally

the manifestation of bone metastatic lesion in bone imaging

the route of metastasis

the basic method for controlling the bone metastasis

the following up of the disease and the differentiation between benign and malignancy lesion in bone imaging etc.were also discussed.