Contrast Media & Molecular Imaging / 2020 / Article / Fig 1

Research Article

Delayed 18F-FDG PET/CT Appearance of Urachal Adenocarcinomas

Figure 1

(a) Images of a 44-year-old man with urachal carcinoma (Case 3). On the 18F-FDG PET/CT images, axial CT shows that the space-occupying lesion was located in the bladder dome. However, the 18F-FDG uptake of the lesion cannot be easily detected because of urine interference in the early image (early). (b) On the image of 18F-FDG PET/CT in the delayed phase, the ureter is distended and the lesion can be easily visualized by axial CT and PET (SUVmax, 58.9) (delay) as the 18F-FDG uptake of urine in the bladder was very low (SUVmax, 5.2). The patient underwent radical resection of urachal carcinoma, and moderately differentiated adenocarcinoma was confirmed by histopathology.

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