Unrecognized Renal Transplants as a Potential Source of False-Positive Interpretation of FDG PET

Liang Guan, Simin Dadparvar, Phillip Reich, Jian Qin Yu, Peeyush Bhargava, Abass Alavi, Hongming Zhuang

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Renal transplantation has become an effective therapy for patients with late-stage renal disease. Fluorodeoxyglucose (FDG) positron emission tomography (PET) is accepted as an important diagnostic technique in the evaluation of suspected or known malignancies or other disorders in the day-to-day practice of medicine. Because FDG is excreted from the kidneys into the urine, unrecognized renal transplants can appear as malignant lesions. Familiarity with the clinical history is a prerequisite in the correct interpretation of FDG PET images in this setting. In addition, FDG PET images should be correlated with anatomic images when such studies are available. When neither clinical history nor anatomic images are available, a combination of "abnormal" activity in the pelvis and absence of normal renal activity should raise suspicion of the existence of a renal transplant.

Original languageEnglish (US)
Pages (from-to)655-657
Number of pages3
JournalClinical Nuclear Medicine
Volume28
Issue number8
DOIs
StatePublished - Aug 1 2003
Externally publishedYes

Keywords

  • FDG PET
  • Kidney
  • Transplants

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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