The results indicated that whole-body 18F-FDG PET imaging not only may be early detection of primary tumor, but also can know the clinic staging;give objective recorrdance for choice rational therapy.

• 研究结果证明18F-FDG PET全身显像，不仅能早期检出原发病灶，而且能全面了解病变的全身累及范围，明确为临床分期、为选择合理的治疗方案提供客观依据。