Thin-section chest CT findings in systemic lupus erythematosus with antiphospholipid syndrome: A comparison with systemic lupus erythematosus without antiphospholipid syndrome
European Journal of Radiology, 05/16/2012
Oki H et al. – Systemic lupus erythematosus (SLE) patients with antiphospholipid syndrome (APS) have increased prevalence of thin–section chest CT abnormalities than those without APS.
The authors retrospectively reviewed the medical records and thin–section CT findings of 17 consecutive patients with an established diagnosis of SLE with APS, comparing with 37 consecutive SLE patients without APS, between 2004 and 2008, and patients who had other autoimmune disease, such as Sjögren syndrome, were excluded.
No significant differences were seen between the two groups in age, gender, smoking habits, or history of steroid pulse and biological therapy.
CT images of 2mm thickness obtained with a 16– or 64–detector row CT were retrospectively evaluated by two radiologists in consensus on ultra high–resolution gray–scale monitors.
The frequency of thin–section CT abnormalities was higher in SLE with APS group (82%) than in SLE without APS group (43%).
Ground–glass opacity (59%), architectural distortion (47%), reticulation (41%), enlarged peripheral pulmonary artery (29%), and mosaic attenuation (29%) were significantly more common in the SLE with APS group than in the SLE without APS group (Fisher's exact test, p<0.01).
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