This updated second edition describes all current diagnostic techniques for thyroid cancer, including FDG-PET and MRI. In recent years these modalities have documented hitherto hidden radioiodine-negative metastases, thus improving surgical therapy. In some 10% of differentiated thyroid cancers, the well-known treatment tools of surgery and radioiodine therapy are not sufficient. New treatment modalities such as high-dose radioiodine therapy, redifferentiation...