Prospective study of 18FDG‐PET in the detection and management of patients with lymph node metastases to the neck from an unknown primary tumor. Results from the DAHANCA‐13 study

Background. The benefit of a complementary fluo- rodeoxyglucose-positron emission tomography (FDG-PET) scan to standard workup for carcinoma of unknown primary (CUP) and metastatic neck lesions was prospectively studied.