Duret haemorrhages
Duret haemorrhages (pronounced: duh-ret hem-or-ijz) are a type of brain haemorrhage that occur in the brainstem and midbrain regions. They are typically associated with transtentorial herniation, a life-threatening condition where the brain shifts across structures within the skull due to increased intracranial pressure.
Etymology
The term "Duret haemorrhages" is named after French pathologist and neurologist Henri Duret, who first described these specific types of brain haemorrhages in the late 19th century.
Clinical Significance
Duret haemorrhages are often a secondary event following a traumatic brain injury or brain tumor, leading to increased intracranial pressure and subsequent brain herniation. They are considered a serious and often fatal condition, requiring immediate medical intervention.
Symptoms and Diagnosis
Symptoms of Duret haemorrhages can include sudden, severe headache, loss of consciousness, and neurological deficits such as weakness or numbness on one side of the body. Diagnosis is typically made through neuroimaging techniques such as MRI or CT scan, which can visualize the presence of blood in the brainstem and midbrain regions.
Treatment
Treatment for Duret haemorrhages primarily involves managing the underlying cause of increased intracranial pressure. This can include surgical interventions to remove a brain tumor or relieve pressure, as well as medications to control symptoms and prevent further bleeding.
Related Terms
- Brain haemorrhage
- Brainstem
- Midbrain
- Transtentorial herniation
- Intracranial pressure
- Brain tumor
- MRI
- CT scan
External links
- Medical encyclopedia article on Duret haemorrhages
- Wikipedia's article - Duret haemorrhages
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