| Summary: | ABS TRACT Po sit ron emis si on to mog raphy using F-18 flu o ro de oxy glu co se (FDG-PET) has an evol - ving ro le in the ma na ge ment of on co lo gi cal pa ti ents. Nor mal FDG bi o dis tri bu ti on and po ten ti al pit falls must be con si de red for ac cu ra te in ter pre ta ti on. A 74-ye ar-old pa ti ent with a his tory of se - mi no ma was re fer red to PET/CT de part ment to eva lu a te in tra ab do mi nal lympha de no pat hi es and a hyper me ta bo lic mass le si on in the left in gu i nos cro tal re gi on, which ra i sed the sus pi ci on of se mi no - ma re cur ren ce. Ma in ex cre ti on of FDG vi a uri ne ma kes re nal col lec ting systems, ure ters and blad - der pos sib le si tes of con fo un ding fin dings on PET ima ges. In this pa per, we pre sen ted F-18 FDG ac cu mu la ti on in a blad der her ni a, which is a ra re con di ti on that may be mis di ag no sed as re cur ren - ce. Fa mi li a rity with this in ci den tal fin ding can avo id fal se in ter pre ta ti ons.
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