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FDG-Avid Periprosthetic Particle Disease Mimicking Osteosarcoma Recurrence
Ziqian Dong1, Ziyu Guo, Meichao Guan
1From the Department of Nuclear Medicine, The Third Hospital, Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China.
Abstract:
A 24-year-old man with a history of osteosarcoma presented with swelling in his right thigh for more than 1 year. 18 F-FDG PET/CT demonstrated increased FDG uptake in multiple juxtacortical masses around the prosthesis, which highly suggested the possibility of osteosarcoma recurrence. A biopsy was performed, and the pathology confirmed the diagnosis of particle disease. The current case indicates that particle disease should be considered when interpreting the PET/CT images with high FDG uptake around the prosthesis.
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