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Incidental Detection of Bilateral Elastofibroma Dorsi With F-18 FDG PET/CT

Wasyliw, Christopher W., MD; Caride, Vicente J., MD

doi: 10.1097/01.rlu.0000178786.99368.1d
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An 83-year-old asymptomatic woman with a history of breast cancer treated with resection, radiation, and chemotherapy was studied with F-18 FDG positron emission tomography/computed tomography (PET/CT) for staging purposes. The whole-body F-18 FDG PET/CT images revealed poorly circumscribed, bilateral soft tissue masses between the inferior tips of the scapulae and chest wall with a moderate degree of F-18 FDG accumulation. The maximum standardized uptake values were 2.8 for both the left and right lesions. A biopsy or further imaging was not recommended because the lesions were asymptomatic, bilateral, and their imaging features were diagnostic for elastofibroma dorsi. Comparison to a CT scan performed 2 years earlier demonstrated stability of the lesions, further supporting our diagnosis. Recognition of this moderately metabolic benign entity in oncologic patients will avoid unnecessary medical, radiologic, or surgical interventions.

From the Department of Nuclear Medicine and Radiology, Hospital of Saint Raphael, Yale School of Medicine, New Haven, Connecticut.

Received for publication January 4, 2005; revision accepted April 6, 2005.

Reprints: Vicente J. Caride, MD, Department of Nuclear Medicine, Hospital of Saint Raphael, 1450 Chapel St., New Haven, CT 06511. E-mail: caride@yale.edu.

© 2005 Lippincott Williams & Wilkins, Inc.