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18FDG PET/CT findings in the unusual urachal adenocarcinoma.

Abstract
A 48-year-old woman presented with a hard, painless mass in the left lower quadrant and no other significant complaint. Laboratory tests, including those for tumor markers, showed no significant abnormal value. CT showed an extraperitoneal mixed solid and cystic mass in the anterior abdominal wall, located anterocranial to and in close contact with the bladder. Percutaneous biopsy findings were compatible with adenocarcinoma of unknown origin. PET/CT showed increased 18FDG uptake on the mass and no evidence of disease at other sites. The patient underwent tumor resection, and the pathological diagnosis was moderately differentiated urachal adenocarcinoma.
AuthorsMarcos Duarte Guimarães, Almir Galvão Vieira Bitencourt, Eduardo Nóbrega Pereira Lima, Edson Marchiori
JournalClinical nuclear medicine (Clin Nucl Med) Vol. 39 Issue 9 Pg. 831-4 (Sep 2014) ISSN: 1536-0229 [Electronic] United States
PMID24566402 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Radiopharmaceuticals
  • Fluorodeoxyglucose F18
Topics
  • Adenocarcinoma (diagnostic imaging)
  • Female
  • Fluorodeoxyglucose F18
  • Humans
  • Middle Aged
  • Multimodal Imaging
  • Radionuclide Imaging
  • Radiopharmaceuticals
  • Tomography, X-Ray Computed
  • Urinary Bladder Neoplasms (diagnostic imaging)

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