Basal ganglia restricted diffusion

Last revised by Yahya Baba on 10 Oct 2021

Citation, DOI, disclosures and article data

Citation:

Gaillard F, Baba Y, Basal ganglia restricted diffusion. Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-13080

DOI:

https://doi.org/10.53347/rID-13080

Permalink:

https://radiopaedia.org/articles/13080

rID:

13080

Article created:

27 Feb 2011, Frank Gaillard ◉ ◈

Disclosures:

At the time the article was created Frank Gaillard had no recorded disclosures.

View Frank Gaillard's current disclosures

Last revised:

10 Oct 2021, Yahya Baba ◉

Disclosures:

At the time the article was last revised Yahya Baba had no recorded disclosures.

View Yahya Baba's current disclosures

Revisions:

6 times, by 2 contributors - see full revision history and disclosures

Systems:

Central Nervous System

Synonyms:

DWI abnormality of the basal ganglia
ADC abnormality of the basal ganglia

Restricted diffusion in the basal ganglia (and thalami) is seen in a variety of conditions, often associated with other signal abnormality of the basal ganglia. Care should be taken to confirm that increased signal on DWI actually represents restricted diffusion rather than merely T2 shine through.

It is important to note that each entity listed below has a variable pattern of involvement of the deep grey matter structures (basal ganglia and thalami).

Causes include ¹:

vascular thrombo-occlusive disease
- arterial infarction
  - top of basilar syndrome
  - perforator infarct (usually unilateral)
  - artery of Percheron infarct
- deep cerebral venous thrombosis
hemodynamic changes
- hypoxic-ischemic encephalopathy
toxins
- carbon monoxide poisoning
metabolic
neurodegenerative
- Creutzfeldt-Jakob disease
infections
- flavivirus encephalitis
  - Japanese encephalitis
- rabies encephalitis
vitamin B1 deficiency
- Wernicke encephalopathy
others
- osmotic demyelination

References

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