Related Experiment Videos
Hypertensive encephalopathy: reversible CT and MR appearance
Y Katsumata1, T Maehara, M Noda
1Department of Radiology, Yokohama City University, School of Medicine, Japan.
Radiation Medicine
|July 1, 1993
Summary
Hypertensive encephalopathy can affect the brain stem and cerebellum, differing from typical cerebral white matter involvement. Lesions improved with normalized blood pressure, highlighting MRI
Area of Science:
- Neurology
- Radiology
- Neuroimaging
Background:
- Hypertensive encephalopathy (HE) is a neurological condition characterized by symptoms like headache, seizures, and altered mental status, often associated with severe hypertension.
- Typical neuroimaging findings in HE often involve white matter lesions, particularly in the cerebral hemispheres.
Observation:
- A case study detailing imaging findings in a patient with hypertensive encephalopathy.
- Computed tomography (CT) revealed low-density areas in the brain stem and cerebellum.
- Magnetic resonance (MR) imaging, specifically T2-weighted sequences, showed high-intensity areas in the brain stem and cerebellum, accompanied by a mass effect.
Findings:
- The observed lesion distribution in the brain stem and cerebellum contrasts with previous reports primarily implicating cerebral white matter.
- Subtle abnormalities were also noted in the deep cerebral white matter.
- Imaging abnormalities demonstrated significant improvement following the normalization of blood pressure.
Implications:
- This case suggests a broader spectrum of imaging manifestations for hypertensive encephalopathy.
- Magnetic resonance imaging is more sensitive than CT for detecting HE-related abnormalities and is valuable for monitoring treatment response.
- Understanding atypical imaging patterns is crucial for accurate diagnosis and management of hypertensive encephalopathy.