Elastofibroma Dorsi: Positron Emission Tomography/Computed Tomography Perspective
Journal Title: Istanbul Medical Journal - Year 2019, Vol 20, Issue 5
Abstract
Introduction: Elastofibroma dorsi (ED) is a rare, benign and slowly growing connective tissue tumor that is frequently observed in the subscapular region in elderly people. It can be detected with various imaging modalities, such as computed tomography (CT), magnetic resonance imaging, ultrasonography and positron emission tomography (PET). In this retrospective study, the clinical features of EDs detected in PET/CT examinations performed for malignant or nonmalignant causes were evaluated. Methods: In this retrospective study, PET/CT examinations performed between May 2014 and December 2017 in a single institution for oncological and non-oncological diseases were evaluated retrospectively. Anatomical dimensions of the lesions were evaluated on axial CT sections. The metabolic activities or receptor expression status of the lesions were evaluated according to the SUVmax values obtained from the region of interests drawn on the lesions detected in PET scans. Results: A total of 7300 PET/CT reports were searched for term “ED” and the images of patients with ED were re-evaluated. ED was detected in 174 scans of 131 patients (97 female and 34 male; mean age: 62.13±8.6 years). The prevalence of ED was 1.79%. Bilateral ED was detected in 116 patients (88.5%) and 15 patients (11.5%) had unilateral ED. The mean diameter was 2.6x4.9±1.1x1.9 cm, and mean SUVmax value was 2.46±0.74. There were statistically significant differences regarding SUVmax values and measured dimensions (p=0.001). Conclusion: In this study, the prevalence and demographic patterns of ED were demonstrated with F-18 fluorodeoxyglucose and Ga-68 DOTATATE PET-CT. Knowledge of the distribution and uptake patterns of PET agents and their physiological uptake sites will prevent unnecessary procedures and interventions.
Authors and Affiliations
Tamer Aksoy
Keywords
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- DOI 10.4274/imj.galenos.2019.55563
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