Decreased sensitivity of 18F-fluorodeoxyglucose imaging in infection and inflammation

Christopher J. Palestro, Charito Love

Research output: Contribution to journalReview articlepeer-review

12 Scopus citations


Nuclear medicine plays an important role in the evaluation of inflammation and infection. Although 99mTc-methylene diphosphonate, 67Ga-citrate, and in vitro labeled autologous leukocyte imaging are useful procedures, there are limitations to each of them. 18F- fluorodeoxyglucose-positron-emission tomography (PET) and PET/computed tomography offer several advantages over conventional single-photon-emitting tracers and has proved to be a valuable addition to the nuclear medicine infection imaging armamentarium. PET provides high-resolution 3-dimensional images of the whole body that facilitates precise localization of abnormalities. Localization is enhanced with PET/computed tomography. Fluorodeoxyglucose, for the most part, is exquisitely sensitive with a high negative predictive value. In general, the limiting factor of the test is specificity. However, there are some situations in which the limitation to the test is not low specificity but rather low sensitivity.

Original languageEnglish (US)
Pages (from-to)261-266
Number of pages6
JournalSeminars in nuclear medicine
Issue number4
StatePublished - Jul 2012
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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