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http://dx.doi.org/10.5292/jkbjts.2010.16.1.47

Role of MRI and Plain Radiograph to Diagnose Fibrous Dysplasia Mimicking Metastasis on PET/CT in a Patient with Breast Cancer  

Cho, Song-Mee (Department of Radiology, St. Paul's Hospital, College of Medicine, The Catholic University of Korea)
Jee, Won-Hee (Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Yoo, Ie-Ryung (Department of Nuclear Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Lee, Ah-Won (Department of Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Chung, Yang-Guk (Department of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
Publication Information
The Journal of the Korean bone and joint tumor society / v.16, no.1, 2010 , pp. 47-50 More about this Journal
Abstract
Fibrous dysplasia is a common benign disorder of bone in which normal bone marrow is replaced with fibro-osseous tissue. As PET/CT is increasingly used for the staging of different malignant disease, incidentally found fibrous dysplasia with increased FDG uptake may mimic metastasis. We report on a 46-year-old woman with fibrous dysplasia who underwent PET/CT because of suspected recurrence of breast cancer and was misdiagnosed as a bony metastasis with a focal FDG uptake on left proximal femur. This lesion was interpreted as fibrous dysplasia based on MRI in addition to the plain radiographs. We conclude that MRI in addition to radiography may help to differentiate fibrous dysplasia mimicking metastasis on PET/CT in the patients with malignancy.
Keywords
fibrous dysplasia; PET/CT; MRI;
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