Periurethral mass mimicking neoplasm after injection of macroplastique for postprostatectomy stress incontinence: A pitfall on 18F-FDG PET/CT

Capucine Richard 1 Sébastien Dejust 1 Abdenasser Moubtakir 1 Claire Bruna-Muraille 1 David Morland 1, 2, 3
1 Département de Médecine Nucléaire, Institut Jean Godinot
2 Laboratoire de Biophysique, UFR de Médecine
3 CRESTIC - Centre de Recherche en Sciences et Technologies de l'Information et de la Communication - EA 3804
Abstract : A 64-year-old man underwent initial 18F-FDG PET/CT staging for gastric cardia adenocarcinoma, which showed the primary gastric tumor, several bone metastases, and high uptake in a periurethral mass mimicking pelvic neoplasm developed after injection of polydimethylsiloxane (Macroplastique) urethral bulking agent 6 years ago for postprostatectomy stress urinary incontinence. This case showed a very rare complication of silicon particle injection therapy, and the intense uptake is likely due to granulomatous reaction around the implant.
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https://hal.univ-reims.fr/hal-01822362
Contributor : Nicolas Passat <>
Submitted on : Monday, June 25, 2018 - 8:21:16 AM
Last modification on : Wednesday, August 29, 2018 - 1:12:01 PM

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Capucine Richard, Sébastien Dejust, Abdenasser Moubtakir, Claire Bruna-Muraille, David Morland. Periurethral mass mimicking neoplasm after injection of macroplastique for postprostatectomy stress incontinence: A pitfall on 18F-FDG PET/CT. Clinical Nuclear Medicine, Lippincott, Williams & Wilkins, 2018, 43 (5), pp.381-382. ⟨hal-01822362⟩

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