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Transient hypodensity on CT scan during hypoglycemia

B S Koppel1, M Daras

  • 1Department of Neurology, Metropolitan Hospital, New York Medical College, NY 10029.

European Neurology
|January 1, 1993
PubMed
Summary
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Hypoglycemia in a diabetic patient caused temporary right hemiparesis and a brain scan abnormality. The brain lesion resolved after glucose treatment, showing selective vulnerability to low blood sugar.

Area of Science:

  • Neurology
  • Endocrinology
  • Radiology

Background:

  • Hypoglycemia, or low blood glucose levels, can cause neurological deficits.
  • Contrast-enhanced computed tomography (CT) is a common imaging technique.

Observation:

  • A diabetic patient experienced right hemiparesis during a contrast-enhanced CT scan.
  • The CT scan revealed a temporary nonenhancing hypodensity in the left internal capsule.

Findings:

  • The observed hypodensity resolved completely within 24 hours after intravenous glucose administration.
  • This clinical and radiological resolution supports the hypothesis of selective brain region vulnerability during hypoglycemia.

Implications:

  • This case highlights the importance of recognizing transient neurological deficits in hypoglycemic patients.

Related Experiment Videos

  • It underscores the utility of neuroimaging in evaluating acute neurological changes related to metabolic disturbances.
  • The findings align with experimental data on the differential susceptibility of brain structures to ischemic or metabolic insults.