Computed tomography in Krabbe's disease: comparison with neuropathology

Area of Science:

• Neurology
• Radiology
• Pediatric Diseases

Background:

• Krabbe's disease is a rare, severe lysosomal storage disorder affecting the white matter of the brain and peripheral nerves.
• Early diagnosis is crucial for potential therapeutic interventions, though prognosis remains poor.
• Computed tomography (CT) is a key neuroimaging modality for evaluating pediatric neurological disorders.

Observation:

• CT scans of two Krabbe's disease patients demonstrated significant cerebral atrophy.
• Common findings included enlarged extracerebral spaces, dilated ventricles, prominent sulci, and cerebellar white matter hypodensity.
• Advanced stages showed marked atrophy, including flattened caudate nuclei and a widened third ventricle.

Findings:

• A notable observation was relatively less white matter hypodensity in Krabbe's disease compared to other leukodystrophies.
• This reduced hypodensity may be attributed to severe gliosis and decreased total lipid content.
• CT findings provide valuable diagnostic clues for Krabbe's disease.

Implications:

• CT imaging can assist in the early and differential diagnosis of Krabbe's disease.
• Understanding the specific CT appearance aids in distinguishing Krabbe's disease from other white matter disorders.
• Further research into the correlation between CT findings and neuropathological features is warranted.