у детей с моно-артритом исключать ревматоидные маркеры, если артрит само-не- проходит в течение 3 недель, а так рентген, узи, пункция сустава
Joint aspiration is a crucial diagnostic tool that remains markedly underused. Joint aspiration may be unnecessary, however, when the family history or other investigations provide the diagnosis. Radiographs of the involved joint may supply information on the severity of the lesions. In doubtful cases and in patients with arthralgia, B-mode and Doppler ultrasound or magnetic resonance imaging (MRI) may confirm the presence of synovitis....Tests for antinuclear antibodies should be performed routinely in children with monoarthritis persisting longer than 3 weeks.
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Joint Bone Spine. 2016 Jan;83(1):25-30.
doi: 10.1016/j.jbspin.2015.06.004.
Managing monoarthritis in children
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