Imaging Modalities in Myositis: A Clinical Review

Rheum Dis Clin North Am. 2024 Nov;50(4):641-659. doi: 10.1016/j.rdc.2024.07.005. Epub 2024 Sep 2.

Abstract

This review highlights the key role of imaging modalities in diagnosing and managing myositis. The authors underscore MRI's superiority in identifying muscle edema and fat infiltration, marking it as essential for evaluating disease activity and damage. They also suggest ultrasound's emerging significance for diagnosis and monitoring of the disease, valued for its ease of use, and real-time capabilities. Furthermore, PET scans' unique physiologic capabilities, especially useful for malignancy detection and assessing lung disease, are emphasized. Collectively, these imaging techniques offer a tailored approach to myositis management, facilitate precise diagnosis, effective treatment planning, and disease activity monitoring, thereby enhancing patient outcomes in rheumatology practice.

Keywords: Idiopathic inflammatory myopathies; MRI; Myositis; PET; Ultrasound.

Publication types

  • Review

MeSH terms

  • Humans
  • Magnetic Resonance Imaging* / methods
  • Muscle, Skeletal / diagnostic imaging
  • Muscle, Skeletal / pathology
  • Myositis* / diagnosis
  • Myositis* / diagnostic imaging
  • Positron-Emission Tomography* / methods
  • Tomography, X-Ray Computed
  • Ultrasonography* / methods