Magnetic Resonance Imaging📍 Brain and Cervical Spine更新于 2025-12-15影像科审核
Multiple Sclerosis Plaques
了解 Brain and Cervical Spine Magnetic Resonance Imaging 影像中的 Multiple Sclerosis Plaques，明确其含义与下一步措施。
影像表现
Magnetic Resonance Imaging FindingOvoid T2/FLAIR hyperintense lesions oriented perpendicular to ventricles; Dawson’s fingers; active plaques enhance with gadolinium.
临床意义
Demyelinating lesions supporting MS diagnosis when dissemination in time and space is shown.
What are MS Plaques?
Focal demyelinating lesions from multiple sclerosis. MRI criteria (McDonald) require dissemination in time and space.
Imaging Appearance
- Periventricular, juxtacortical, infratentorial, or spinal cord lesions
- Dawson’s fingers extending from ventricles
- Active lesions enhance; chronic lesions may appear black holes on T1
Clinical Significance
- Supports MS diagnosis with clinical attacks or CSF oligoclonal bands
- Lesion load correlates imperfectly with disability
Symptoms
- Visual loss, sensory changes, weakness, imbalance, Lhermitte sign
Diagnosis
- MRI brain and spine with and without contrast
- CSF studies; evoked potentials as adjunct
Treatment
- Disease-modifying therapy to reduce relapses
- High-dose steroids for acute relapses
- Rehab for symptoms
Prognosis
- Variable; early treatment improves long-term outcomes
What Should You Do?
- Complete recommended MRI follow-up.
- Discuss disease-modifying options with neurology.
- Report new neurologic symptoms promptly.
Medical Disclaimer: Educational only; follow neurologist guidance.
搭配化验结果解读
当影像出现 Multiple Sclerosis Plaques 时，医生常会查看这些化验：
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