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Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
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Bone inflammation and chronic recurrent multifocal osteomyelitis.

Z Chen1, L Cheng, G Feng

  • 1Institute of Tissue Engineering and Stem Cells, Nanchong Central Hospital, Second Clinical Institute of North Sichuan Medical University, Nanchong, Sichuan, China. fenggangncch@163.com.

European Review for Medical and Pharmacological Sciences
|March 23, 2018
PubMed
Summary
This summary is machine-generated.

Chronic recurrent multifocal osteomyelitis (CRMO) is a rare inflammatory bone condition primarily affecting children. Diagnosis relies on imaging, with whole-body MRI being preferred for identifying multiple bone lesions.

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Area of Science:

  • Pediatric rheumatology
  • Osteology
  • Auto-inflammatory diseases

Background:

  • Chronic recurrent multifocal osteomyelitis (CRMO) is a rare inflammatory bone disease affecting children, characterized by recurrent bone pain and inflammation.
  • It presents as multiple aseptic osteomyelitic foci with an estimated prevalence of 1-2 per million.
  • CRMO shares symptoms with other conditions, necessitating differential diagnosis from infectious osteomyelitis, bone tumors, and other inflammatory diseases.

Purpose of the Study:

  • To summarize the key aspects of Chronic recurrent multifocal osteomyelitis (CRMO).
  • To highlight diagnostic challenges and current treatment strategies for CRMO.
  • To emphasize the role of advanced imaging in CRMO evaluation.

Main Methods:

  • Literature review of CRMO studies.
  • Analysis of diagnostic criteria and imaging modalities.
  • Overview of current therapeutic approaches, including NSAIDs, bisphosphonates, and surgery.

Main Results:

  • CRMO primarily affects children aged 2-17, presenting with bone inflammation and pain, often worse at night.
  • Radiographs may show osteolytic lesions with sclerosis; elevated inflammatory markers like TNF-α and CRP are common.
  • Whole-body MRI is the recommended imaging modality for CRMO due to its sensitivity and radiation safety compared to radiography.

Conclusions:

  • CRMO is considered an autoimmune/auto-inflammatory disorder with unclear pathophysiology.
  • Current treatments focus on symptom management and reducing bone lesions using NSAIDs and bisphosphonates.
  • While effective, treatments may require surgical intervention for refractory cases, with recurrence remaining a concern.