PET/CT imaging results for unclear foot pain

NewsBot · Feb 23, 2010

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Therapeutic impact of [(18)F]fluoride positron-emission tomography/computed tomography on patients with unclear foot pain.
Fischer DR, Maquieira GJ, Espinosa N, Zanetti M, Hesselmann R, Johayem A, Hany TF, von Schulthess GK, Strobel K.
Skeletal Radiol. 2010 Feb 23. [Epub ahead of print]

PURPOSE: To evaluate the therapeutic impact of [(18)F]fluoride positron-emission tomography/computed tomography ([(18)F]fluoride PET/CT) imaging on patients with unclear foot pain.

METHODS: Twenty-eight patients were prospectively included in this study. Therapeutic management was defined by two experienced dedicated foot surgeons before and after [(18)F]fluoride PET/CT imaging. Twenty-six patients underwent cross-sectional imaging [CT, magnetic resonance (MR)] prior to PET/CT. A retrospective analysis of the magnetic resonance imaging (MRI) diagnoses was performed when a therapy change occurred after PET/CT imaging.

RESULTS: In 13/28 (46%) patients therapeutic management was changed due to PET/CT results. Management changes occurred in patients with the following diagnoses: os trigonum syndrome; sinus tarsi syndrome; os tibiale externum syndrome; osteoarthritis of several joints; non-consolidated fragments; calcaneo-navicular coalition; plantar fasciitis; insertional tendinopathy; suggestion of periostitis; neoarticulations between metatarsal bones. Os trigonum, os tibiale externum, subtalar osteoarthritis and plantar fasciitis were only seen to be active on PET/CT images but not on MR images.

CONCLUSION: [(18)F]fluoride PET/CT has a substantial therapeutic impact on management in patients with unclear foot pain.
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