Imaging of necrotizing fasciitis
Sergey Kochkine1, David L Payne1, Katherine Chung1
1Department of Radiology, Stony Brook Medicine, Health Science Center, Level 4, Room 120, 101 Nicolls Road, Stony Brook, NY 11794, United States of America.
Clinical Imaging
|November 5, 2024
Summary
Necrotizing fasciitis (NF) is a severe soft-tissue infection. MRI offers the highest accuracy for diagnosing NF, making it the gold standard imaging technique.
Area of Science:
- Medical Imaging
- Infectious Diseases
- Radiology
Background:
- Necrotizing fasciitis (NF) is a rare, rapidly progressive, and lethal soft-tissue infection.
- It predominantly affects immunocompromised individuals and commonly occurs in the extremities and perineal regions.
Purpose of the Study:
- To review the key imaging features of NF across various modalities.
- To discuss the diagnostic limitations of each imaging technique for NF.
Main Methods:
- Review of radiography, ultrasound, computed tomography (CT), and magnetic resonance imaging (MRI) features in NF.
- Analysis of the sensitivity, specificity, and soft tissue contrast of each modality.
Main Results:
- While radiography, ultrasound, and CT can aid in diagnosis, they have limitations.
- MRI demonstrates high sensitivity, specificity, and superior soft tissue contrast for NF evaluation.
Conclusions:
- Imaging is crucial for early diagnosis of NF, especially in ambiguous cases.
- MRI is the gold standard for imaging-based diagnosis of necrotizing fasciitis due to its comprehensive visualization capabilities.


