Pediatric rheumatology

Incidence of chronic recurrent multifocal osteomyelitis in children and adolescents in the United Kingdom (UK) and Republic of Ireland

Rheumatology (Oxford)Published Prospective surveillance study

Authors' conclusion

This study estimates an average annual CRMO incidence of 0.65 cases per 100 000 children and adolescents in the UK and ROI.

Study context

Population
Children and young people under 16 years newly diagnosed with chronic recurrent multifocal osteomyelitis (CRMO) in the UK and Republic of Ireland, October 2020 to November 2022165 confirmed, 20 probable analysed
Participants
288 children
Outcome
Incidence of CRMO
Methodological detailsmonthly surveys of all paediatric consultants and paediatric orthopaedic surgeons, standardized questionnaire, 288 patients reported over the surveillance period
  • Monthly surveys of all paediatric consultants and paediatric orthopaedic surgeons
  • Standardized questionnaire
  • 288 patients reported over the surveillance period

Main finding

As reported in the abstract

Average annual CRMO incidence

Average annual incidence, cases per 100 000 children and adolescents

0.65

Observational data: associations, not effects.

Further findings

Clinical presentation

Male patients more likely to present with multifocal disease
Negative correlation between reporting clavicular and leg pain

Investigations

Whole-body MRI
80.0%
Bone biopsies
51.1%

Initial treatments

NSAIDs
93.9%
Bisphosphonates
44.8%

Original publication

Incidence of chronic recurrent multifocal osteomyelitis in children and adolescents in the UK and Republic of Ireland. Rheumatology (Oxford). Published 21 August 2024. doi:10.1093/rheumatology/keae447

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