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MRI in internal cerebral vein thrombosis: case note
1Department of Internal Medicine, Taichung Veterans General Hospital, Taiwan, ROC.
Neuroradiology
|August 1, 1995
Summary
A patient experienced neurological symptoms after conjunctivitis, indicating potential cerebral venous thrombosis. Magnetic Resonance Imaging (MRI) enabled early diagnosis, avoiding invasive procedures.
Area of Science:
- Neurology
- Radiology
- Infectious Diseases
Background:
- Acute haemorrhagic conjunctivitis can rarely be associated with neurological complications.
- Cerebral venous thrombosis (CVT) is a serious condition affecting venous blood drainage from the brain.
Observation:
- A 40-year-old male presented with malaise, dizziness, and headache post-conjunctivitis.
- Neurological deterioration included confusion, bizarre behavior, and seizures.
- Magnetic Resonance Imaging (MRI) revealed hemorrhagic infarcts in basal ganglia/thalamus and abnormal signals in cerebral veins.
Findings:
- Cerebral venous thrombosis was suspected based on MRI findings of abnormal signal density in internal cerebral veins.
- Bilateral carotid angiography confirmed non-filling of the superior sagittal sinus and internal cerebral veins, consistent with thrombosis.
- MRI demonstrated hemorrhagic infarcts in the bilateral basal ganglia and thalamus.
Implications:
- Early diagnosis of cerebral venous thrombosis is possible with advanced MRI techniques.
- Non-invasive imaging like MRI can obviate the need for invasive investigations such as angiography.
- Prompt diagnosis and management of CVT are crucial to prevent severe neurological sequelae.