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[Normal and abnormal meningeal enhancement: MRI features]
J L Dietemann1, R Correia Bernardo, A Bogorin
1Service de Radiologie 2, Hôpitaux Universitaires, Hôpital de Hautepierre, Avenue Molière, 67098 Strasbourg Cedex. Jean-Louis.Dietemann@chru-strasbourg.fr
Journal De Radiologie
|November 5, 2005
Summary
Magnetic resonance imaging reveals normal meninges and meningeal spaces. Abnormal dural or pial enhancement on MRI can indicate tumoral, infectious, or granulomatous diseases.
Area of Science:
- Neurology
- Radiology
- Medical Imaging
Context:
- The meninges and meningeal spaces are crucial anatomical structures surrounding the brain and spinal cord.
- Understanding normal imaging characteristics is essential for diagnosing pathological conditions.
- Magnetic resonance (MR) imaging is a primary modality for evaluating these structures.
Purpose:
- To describe normal magnetic resonance (MR) imaging findings of the meninges and meningeal spaces.
- To outline MR imaging findings associated with tumoral and nontumoral diseases affecting the meninges.
- To correlate dural or pial enhancement patterns with specific pathologies.
Summary:
- Normal imaging of the meninges and meningeal spaces is detailed.
- MR imaging findings in various tumoral and nontumoral diseases are presented.
- Dural and/or pial enhancement on MR imaging can be indicative of tumoral, infectious, or granulomatous conditions.
Impact:
- Provides a reference for radiologists and clinicians interpreting meningeal imaging.
- Aids in the differential diagnosis of enhancing lesions within the meninges.
- Contributes to the accurate identification and characterization of meningeal pathologies.