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High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain

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Published on: May 10, 2012

Bilateral globus pallidus lesions.

Caroline Raasch Alquist¹, Robin McGoey, Frank Bastian

¹Department of Pathology, Louisiana State University Health Sciences Center, New Orleans, USA.

The Journal of the Louisiana State Medical Society : Official Organ of the Louisiana State Medical Society

|August 8, 2012

Summary

This summary is machine-generated.

Globus pallidus necrosis is rare but can occur after hypoxic-ischemic insults. This study highlights selective symmetrical bilateral globus pallidus necrosis linked to cocaine and opiate abuse.

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Area of Science:

Neurology
Toxicology
Pathology

Background:

The globus pallidus is typically spared from ischemic injury following hypoxic-ischemic insults, unlike the caudate and putamen.
Selective lesions in the globus pallidus have varied, but few known causes.

Observation:

Hemorrhagic and necrotic lesions selectively affecting the globus pallidus are uncommon.
Known causes include carbon monoxide poisoning, 3,4-methylenedioxymethamphetamine, cocaine, opiates, and cyanide poisoning.
Bilateral globus pallidus necrotic lesions are reported in 5-10% of opiate addicts.

Findings:

This article presents a case of selective symmetrical bilateral globus pallidus necrosis.
The observed necrosis was associated with combined cocaine and opiate abuse.

Implications:

Understanding the specific vulnerabilities of the globus pallidus is crucial for diagnosing toxicological insults.
This case underscores the severe neurological consequences of combined stimulant and opiate abuse.
Further research into the mechanisms of selective globus pallidus injury is warranted.