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. 2013 Jan;32(1):22-5.
doi: 10.1016/j.remn.2012.08.003. Epub 2012 Oct 12.

Contribution of 18F-sodium fluoride PET/CT to the study of the carotid atheroma calcification

Affiliations

Contribution of 18F-sodium fluoride PET/CT to the study of the carotid atheroma calcification

R Quirce et al. Rev Esp Med Nucl Imagen Mol. 2013 Jan.

Abstract

Aim: To assess the calcification process of the carotid plaque by (18)F-sodium fluoride PET/CT imaging.

Material and methods: A prospectively designed study including 15 patients in whom an atheroma plaque was detected by contrast enhanced CT scan during a neurological work-up was performed. A total of 29 plaques, 19 asymptomatic and 10 symptomatic, were studied. An (18)F-sodium fluoride PET/CT scan was acquired 180min after the i.v. injection of 370 MBq of (18)F-sodium fluoride in all the patients. The images obtained were analyzed visually according to the intensity of the uptake.

Results: All the plaques showed (18)F-sodium fluoride uptake, regardless of the intensity. However, the plaques of the symptomatic group showed a level of 2 or greater intensity while the intensity in 6 of the 19 in the asymptomatic group was lower than 2.

Conclusions: Although the study is limited by the small number of cases, the results show the feasibility of the technique to study the calcification of the atheroma using (18)F-sodium fluoride and suggest an association between symptomatology and higher uptake of (18)F-sodium fluoride. Thus, these results encourage us to continue this study, with the inclusion of a larger number of patients.

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