Compared to the western studies, the deviation of sex ratio and the relative proportion of large artery atherosclerosis/small artery occlusion was higher. Heavy exposure to risk factors such as hypertension and cigarette smoking in Korean young men may explain these differences.
Background: The aim of this study was to evaluate the ability of Results: Of the 349 eligible patients (267 men and 82 women), 14 (4.0%) had second primary cancers and 26 (7.4%) had distant metastases at initial staging or during mean follow-up of 15 months after treatment. FDG-PET/CT correctly identified second cancers or distant metastases in 39 of these 40 patients; there was one false negative and 23 false positive FDG-PET/CT results. Therefore, FDG-PET/CT had a sensitivity of 97.5%, a specificity of 92.6%, a positive predictive value of 62.9% and a negative predictive value of 99.7% in detecting second primary cancers and distant metastases.
Conclusion:Combined FDG-PET/CT is useful as a primary method for detecting second cancers and distant metastases in patients with HNC.
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