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Characterization of Elastofibroma Dorsi with (18)FDG PET/CT: a retrospective study
Y Blumenkrantz1, G L Bruno, C J González
1Fundación Centro de Diagnóstico Nuclear, Buenos Aires, Argentina.
Unlabelled:
Elastofibroma dorsi has been described in the literature as an unusual tumor or pseudotumor. However, autopsies and imaging studies have revealed that it is a non-negligible finding.
Purpose:
The aim of this study has been to illustrate and become familiar with this type of lesion in order to prevent misdiagnosis.
Materials And Methods:
From 3 December 2008 to 5 January 2010, 1,751 patients were evaluated with (18)FDG-PET/CT. Of these, 29 cases of elastofibroma dorsi were recorded as an incidental finding. A retrospective and descriptive analysis was performed on this study series.
Results:
The study showed a prevalence of 1.66%. Out of the 29 findings, 22 (75.86%) were females and 7 (24.14%) males. Seventeen (58.62%) cases were bilateral, 12 (41.38%) unilateral and the SUVmax ranged from 1.4 to 3.2. These lesions were reported as soft tissue density images with mild or moderate diffuse metabolic activity.
Conclusion:
The elastofibroma dorsi is a relatively common finding in PET/CT that should be known in order to avoid making wrong diagnoses.
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