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Imaging mimickers of MSK infection

M S Taljanovic1,2, I M Omar3, D M Melville4

  • 1Departments of Medical Imaging and Orthopaedic Surgery, The University of Arizona College of Medicine, 1501 N. Campbell Ave, Tucson, AZ, 85724, USA. mihrat@radiology.arizona.edu.

Skeletal Radiology
|August 16, 2024
PubMed

Insights

Imaging is crucial for evaluating musculoskeletal infections and non-infectious conditions. This review highlights imaging features that can distinguish between musculoskeletal infections and their mimics, aiding accurate diagnosis.

Area of Science:

  • Radiology
  • Musculoskeletal Imaging
  • Infectious Diseases

Background:

  • Imaging plays a vital role in diagnosing musculoskeletal (MSK) conditions, both infectious and non-infectious.
  • Many non-infectious MSK conditions share nonspecific imaging findings with infections.
  • Differentiating these conditions is critical for appropriate patient management.

Purpose of the Study:

  • To review and illustrate the imaging findings of common and rare mimickers of MSK infections.
  • To discuss potential distinguishing imaging characteristics between MSK infections and their mimics.

Main Methods:

  • Review of imaging findings in musculoskeletal infections.
  • Analysis of imaging features of non-infectious conditions that mimic MSK infections.
  • Comparison of imaging characteristics to identify distinguishing features.

Main Results:

  • Nonspecific imaging findings are common in both infectious and non-infectious MSK conditions.
  • Certain imaging features can help differentiate between MSK infections and mimickers like inflammatory arthropathies, metabolic conditions, degenerative diseases, and tumors.
  • Rare mimickers also present diagnostic challenges.

Conclusions:

  • Accurate differentiation of MSK infections from mimickers using imaging is essential for effective treatment.
  • Understanding the spectrum of imaging findings in both infectious and non-infectious MSK conditions improves diagnostic accuracy.
  • Radiologists must be aware of potential mimickers to avoid misdiagnosis.
Keywords:
CTImagingInfectionMRIMimickerMusculoskeletalRadiographyUltrasound

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