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Shin-ya Kawashiri, Hideki Nakamura, Tomoki Origuchi, Kiyoshi Aoyagi, Atsushi Kawakami, Ultrasonography and magnetic resonance imaging findings of rheumatoid arthritis-like arthritis in a patient with adult T-cell leukemia, Modern Rheumatology, Volume 26, Issue 6, 1 November 2016, Pages 971–975, https://doi.org/10.3109/14397595.2014.948529
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Abstract
A 43-year-old Japanese woman with adult T-cell leukemia (ATL) developed rheumatoid arthritis-like polyarthritis with dermatitis and skin erosion. Her rheumatoid factor and C-reactive protein results were positive. Musculoskeletal ultrasonography showed intra-articular and peritendinous power Doppler signal-positive synovitis. Plain magnetic resonance imaging showed synovitis of the above lesion and remarkable bone marrow edema/osteitis. She was diagnosed as having ATL-associated arthritis based on the invasion of ATL cells by skin biopsy at the arthritis lesion.