Magnetic resonance imaging of musculoskeletal infections.
MRI
cellulitis
fasciitis
osteomyelitis
pyomyositis
septic arthritis
Journal
Polish journal of radiology
ISSN: 1733-134X
Titre abrégé: Pol J Radiol
Pays: Poland
ID NLM: 101175532
Informations de publication
Date de publication:
2022
2022
Historique:
received:
30
09
2021
accepted:
27
10
2021
entrez:
4
5
2022
pubmed:
5
5
2022
medline:
5
5
2022
Statut:
epublish
Résumé
Magnetic resonance imaging (MRI) is a powerful imaging modality in the evaluation of musculoskeletal (MSK) soft tissue, joint, and bone infections. It allows prompt diagnosis and assessment of the extent of disease, which permits timely treatment to optimize long-term clinical outcomes. MRI is highly sensitive and specific in detecting the common findings of MSK infections, such as superficial and deep soft tissue oedema, joint, bursal and tendon sheath effusions, lymphadenopathy, bone marrow oedema, erosive bone changes and periostitis, and bone and cartilage destruction and sequestration. Contrast-enhanced MRI allows detection of non-enhancing fluid collections and necrotic tissues, rim-enhancing abscesses, heterogeneously or diffusely enhancing phlegmons, and enhancing active synovitis. Diffusion-weighted imaging (DWI) is useful in detecting soft-tissue abscesses, particularly in patients who cannot receive gadolinium-based intravenous contrast. MRI is less sensitive than computed tomography (CT) in detecting soft-tissue gas. This article describes the pathophysiology of pyogenic MSK infections, including the route of contamination and common causative organisms, typical MR imaging findings of various soft tissue infections including cellulitis, superficial and deep fasciitis and necrotizing fasciitis, pyomyositis, infectious bursitis, infectious tenosynovitis, and infectious lymphadenitis, and of joint and bone infections including septic arthritis and osteomyelitis (acute, subacute, and chronic). The authors also discuss MRI findings and pitfalls related to infected hardware and diabetic foot infections, and briefly review standards of treatment of various pyogenic MSK infections.
Identifiants
pubmed: 35505859
doi: 10.5114/pjr.2022.113825
pii: 46472
pmc: PMC9047866
doi:
Types de publication
Journal Article
Review
Langues
eng
Pagination
e141-e162Informations de copyright
© Pol J Radiol 2022.
Déclaration de conflit d'intérêts
The authors declare that they have no conflict of interest.
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