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MRI in central nervous system infections: A simplified patterned approach
Krithika Rangarajan1, Chandan J Das1, Atin Kumar1
1Krithika Rangarajan, Chandan J Das, Atin Kumar, Arun Kumar Gupta, Department of Radiodiagnosis, All India Institute of Medical Sciences, Ansari Nagar East, New Delhi 110029, India.
World Journal of Radiology
|October 3, 2014
Summary
This review presents a pattern-based algorithm for diagnosing central nervous system infections using magnetic resonance (MR) imaging. It classifies findings from basic and advanced MR sequences to aid neuro-radiologists in differential diagnosis.
Area of Science:
- Neurology
- Radiology
- Infectious Diseases
Background:
- Central nervous system infections present diagnostic challenges for neuro-radiologists.
- Magnetic resonance (MR) imaging is crucial due to the inaccessibility of lesions for tissue sampling.
- Advanced MR sequences offer functional and molecular insights, but their interpretation can be complex.
Purpose of the Study:
- To classify central nervous system infections based on imaging characteristics.
- To provide a structured approach for neuro-radiologists to diagnose infections.
- To simplify the interpretation of complex MR imaging findings.
Main Methods:
- Developed a classification algorithm for neuroimaging findings.
- Utilized basic MR sequences (T1, T2, Gadolinium enhancement).
- Incorporated advanced sequences: Diffusion, Perfusion, Susceptibility imaging, and MR Spectroscopy.
Main Results:
- The algorithm categorizes imaging findings into distinct patterns.
- Advanced sequences are used to sub-classify infections within these patterns.
- Flow-charts summarize the diagnostic approach for quick reference.
Conclusions:
- A patterned MR imaging approach aids in the differential diagnosis of CNS infections.
- This strategy helps neuro-radiologists efficiently narrow diagnostic possibilities.
- The review serves as a guide for both training and practicing radiologists.
Keywords:
Central nervous systemDiffusion weighted magnetic resonance imagingInfectionMagnetic resonance imagingMagnetic resonance spectroscopyPerfusion weighted magnetic resonance imagingMore Related Videos
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