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MRI nomenclature for musculoskeletal infection

Erin F Alaia1, Avneesh Chhabra2, Claus S Simpfendorfer3

  • 1NYU Langone Medical Center, New York, NY, USA. Erin.Fitzgerald@nyulangone.org.

Skeletal Radiology
|June 19, 2021
PubMed

Insights

This study proposes standardized MRI terminology for musculoskeletal infections, aiming to improve communication and patient care. Consensus was reached on terms for soft tissue infections and bone infections, replacing vague descriptors.

Area of Science:

  • Radiology
  • Musculoskeletal Imaging
  • Infectious Diseases

Background:

  • Musculoskeletal infections require clear diagnostic criteria.
  • Current MRI terminology for musculoskeletal infections lacks standardization.
  • Improved communication is crucial for effective patient care.

Purpose of the Study:

  • To develop consensus-based standardized nomenclature for MRI findings of musculoskeletal infections outside the spine.
  • To critically assess existing literature and propose precise imaging terminology.
  • To enhance communication between radiologists and clinicians, improving patient management.

Main Methods:

  • A committee was formed by the Society of Skeletal Radiology (SSR) Practice Guidelines and Technical Standards Committee.
  • Literature review and critical assessment of imaging findings.
  • Consensus-building discussions to define and refine terminology for MRI of musculoskeletal infections.

Main Results:

  • Consensus definitions were established for cellulitis, soft tissue abscess, and necrotizing infection.
  • The nonspecific term 'phlegmon' is discouraged.
  • For bone infections, 'osteitis' is deemed unhelpful; terms indicating likelihood of osteomyelitis are recommended when definitive changes are absent.

Conclusions:

  • Standardized MRI terminology for musculoskeletal infections outside the spine has been proposed.
  • The new nomenclature aims to improve diagnostic accuracy and interdisciplinary communication.
  • Recommendations address specific soft tissue and bone infection imaging descriptions.
Keywords:
AbscessMRIMusculoskeletal infectionOsteomyelitis

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