Abstract
A 41-year-old woman presented with 2 months history of right submandibular swelling. Biopsy revealed neuroblastoma (NB). Patient was referred for staging PET/CT scan. We compared the findings of 18 F-DOPA PET/CT and 18 F-FDG PET/CT scans. Both imaging modalities were positive in the patient; however, tumor delineation was superior with 18 F-FDG PET/CT. Tumor uptake of FDG was significantly higher than tumor uptake of DOPA. Follow-up FDG PET/CT scan postsurgery showed local recurrent NB and their metastases avidly concentrate FDG. We present a very rare case of adult NB of the neck better imaged with FDG instead of DOPA PET/CT.
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