Related Experiment Video
Updated: May 18, 2026
08:51
Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
Published on: February 19, 2021
Spinal cavernous malformations: magnetic resonance imaging and associated findings
Amogh Hegde1, Suyash Mohan, Kheng Kooi Tan
1Department of Imaging, National University Hospital, Singapore, Singapore.
Singapore Medical Journal
|October 2, 2012
Summary
Spinal cavernous malformations (CMs) often appear as
Area of Science:
- Neurology
- Radiology
- Vascular Malformations
Background:
- Review of clinical and magnetic resonance (MR) imaging findings in six patients with spinal cavernous malformations (CMs).
- Focus on associated abnormalities and diagnostic imaging characteristics.
Observation:
- Spinal CMs were best visualized on gradient-recalled echo (GRE) and T2-weighted MR images.
- Lesions exhibited characteristic signal intensities on different MR sequences.
- Associated findings included cranial CMs, vertebral body hemangiomas, and splenic hemangiomas.
Findings:
- Intramedullary spinal CMs typically present with 'mulberry' or 'popcorn' imaging appearances.
- These appearances are similar to those observed in cranial cavernous malformations.
- GRE images showed predominantly hypointense lesions; T2-weighted images showed hyperintense lesions with hypointense edges.
Implications:
- MR imaging findings can suggest spinal CM diagnosis without invasive procedures.
- Recognition of associated hemangiomas or familial syndromes aids in diagnosis.
- Understanding characteristic imaging patterns improves diagnostic accuracy for spinal vascular lesions.
Related Concept Videos
01:24Magnetic Resonance Imaging
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
01:21Imaging Studies for Cardiovascular System IV: CMRI
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
01:27Imaging Studies IV: Magnetic Resonance Imaging
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
01:20Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
01:23Mitral Stenosis II: Clinical features and Diagnostic Tests
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...