Lobar intracerebral hemorrhage

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Lobar intracerebral hemorrhage

Lobar intracerebral hemorrhage involves bleeding in the brain. The bleeding (hemorrhage) is isolated to one specific area of the brain, somewhere in the white matter portion of the cerebrum. (The cerebrum is the large part of the brain consisting of two hemispheres of 4 lobes each.)

Lobar intracerebral hemorrhage may be caused by a traumatic brain injury or abnormalities of the blood vessels, such as aneurysm, arteriovenous malformation, or angioma (tumors involving blood vessels). When it is not caused by trauma, lobar intracerebral hemorrhage can be considered a type of stroke.

A lobar hemorrhage can be associated with amyloid deposits in the blood vessels (amyloid angiopathy). In some patients, using blood thinners may result in a lobar hemorrhage. Brain tumors or, in rare cases, infections can also lead to bleeding in the brain. In some cases, no cause can be found.

Lobar hemorrhages are also associated with the following:

• Various blood or bleeding disorders, such as disseminated intravascular coagulation, hemophilia, sickle cell anemia, and leukemia.
• Decreased levels of blood platelets
• Use of aspirin or blood thinners
• Liver disease (associated with increased bleeding risk)
• Cerebral amyloid
• Some autoimmune disorders

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