Journal
RHEUMATOLOGY
Volume 47, Issue 9, Pages 1397-1399Publisher
OXFORD UNIV PRESS
DOI: 10.1093/rheumatology/ken249
Keywords
chronic recurrent multifocal osteomyelitis; children; outcome
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Objective. To determine the clinical outcome of children with chronic recurrent multifocal osteomyelitis (CRMO). Methods. We retrospectively reviewed clinical, biological and radiological data of children with CRMO at five French paediatric centres. Outcome data were obtained through review of hospital charts and questionnaires sent to all patients to assess disease activity and educational and vocational achievement. Results. Forty patients were assessed (34 females and 6 males) with a median age at diagnosis of 11.5 yrs (range 2-17). Median number of initial bony lesions was 2 at onset, and 3.5 over disease course. Median time since diagnosis was 3.5 yrs (range 0.5-15) and median duration of active disease 2.7 yrs (range 0.5-13.5). Nine (22.5%) patients had psychological or physical sequelae. Twenty-nine children (72.5%) responded to the questionnaire. Twenty-six had no physical disability as judged by the HAQ 0-1, two had moderate disability (HAQ: 1-2) and one had severe disability (HAQ: 2-3). Seventeen patients (58.6%) had active disease at follow-up (after 6 months to 15 yrs since diagnosis) and continued to have pain (median value of visual analogue scale: 10/100). CRMO had interfered with patients education in two cases. Conclusions. Clinical outcome of children with CRMO is generally good, but a sizeable proportion of patients have active disease at follow-up, and a minority of patients can have a severe and prolonged disease course despite intensive treatments. Further studies are required to determine predictive factors for severe disease.
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