Key result
Musculoskeletal ultrasound and MRI reveal synovitis and bone marrow edema in ATL-associated arthritis.
Case Report (n=1)
Ultrasonography and MRI can identify synovitis and bone marrow edema in ATL-associated arthritis, which may mimic rheumatoid arthritis.
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ATL-associated arthritis may mimic seropositive RA with skin involvement; case report leaves open prevalence and management questions.
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.
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Kawashiri et al. (2014) conducted a case report in Adult T-cell leukemia with rheumatoid arthritis-like polyarthritis (n=1). Ultrasonography and magnetic resonance imaging was evaluated on Diagnosis of ATL-associated arthritis. Musculoskeletal ultrasonography and magnetic resonance imaging revealed synovitis and bone marrow edema in a patient with adult T-cell leukemia, leading to a diagnosis of ATL-associated arthritis.
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