Abstract:Introduction: We assessed the role of PET/CT in identifying and managing cancer of unknown primary site (CUP). Methods: We reviewed 64 patients' PET/CT scans with CUP performed during 2012–2019. Results: The median age was 65 years. Of 138-FDG-avid lesions, the mean SUVmax was10.6±6.0. Primary tumors (PT) were detected in 28(44%) patients. Detection was positive in only one(10%) patient with squamous cell carcinoma (SCC) histology, compared to 4/14(29%) with poorly differentiated carcinoma, 4/9(44%) with adeno… Show more
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