[MR findings of the inflammatory demyelinating diseases of the central nervous system]
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Published on: February 19, 2021
Hiroyuki Tatekawa1, Yukio Miki1
1Diagnostic and Interventional Radiology, Graduate School of Medicine, Osaka Metropolitan University.
Abstract:
When demyelinating disease of the central nervous system is suspected, MR examination has mainly three roles: diagnosis, imaging biomarkers, and early detection of adverse effects from therapeutic agents. Because the location, size, shape, distribution, signal intensity, and contrast pattern of the brain lesions on MRI vary depending on the demyelinating diseases, careful attentions are required to assess the differential diagnosis and activity. It is necessary to be familiar with not only typical imaging findings but also atypical findings of demyelinating disease since minor neurological findings and nonspecific brain lesions may lead to misdiagnosis of demyelinating disease. This article reviewed the characteristics of MRI findings and showed recent topics of the demyelinating diseases.
Insights
Magnetic Resonance Imaging (MRI) aids in diagnosing central nervous system demyelinating diseases, serving as imaging biomarkers and monitoring treatment effects. Understanding diverse MRI lesion characteristics is crucial for accurate diagnosis and avoiding misinterpretation.
Area of Science:
- Neurology
- Radiology
- Neuroimaging
Background:
- Central nervous system (CNS) demyelinating diseases require accurate diagnosis.
- Magnetic Resonance Imaging (MRI) is a key tool in evaluating these conditions.
- Differentiating demyelinating diseases relies on characteristic MRI findings.
Approach:
- This review examines the diagnostic roles of MRI in demyelinating diseases.
- It details the importance of lesion characteristics (location, size, shape, distribution, signal intensity, contrast enhancement) for differential diagnosis.
- The article also covers the use of MRI as imaging biomarkers and for detecting adverse effects of therapies.
Key Points:
- MRI is essential for diagnosing CNS demyelinating diseases.
- Variations in lesion appearance on MRI necessitate careful analysis for accurate diagnosis.
- Familiarity with both typical and atypical MRI findings is vital to prevent misdiagnosis.
- MRI plays a role in monitoring treatment efficacy and detecting adverse events.
Conclusions:
- MRI is indispensable for the diagnosis and management of CNS demyelinating diseases.
- A thorough understanding of MRI characteristics aids in differential diagnosis and patient management.
- This review highlights current topics and MRI findings relevant to demyelinating diseases.
