Xanthochromia

Xanthochromia refers to the yellowish appearance of cerebrospinal fluid that occurs due to the presence of bilirubin, a breakdown product of hemoglobin. This condition is typically associated with subarachnoid hemorrhage, a type of stroke caused by bleeding into the space surrounding the brain.

Causes

Xanthochromia is most commonly caused by a subarachnoid hemorrhage. This can occur due to a ruptured brain aneurysm, arteriovenous malformation, or head injury. Less commonly, xanthochromia can be caused by severe jaundice, certain metabolic disorders, or a reaction to certain drugs.

Diagnosis

The diagnosis of xanthochromia is typically made through a lumbar puncture, also known as a spinal tap. During this procedure, a small amount of cerebrospinal fluid is removed from the lower back and examined under a microscope. If the fluid appears yellow, this is indicative of xanthochromia. Additional tests may be performed to determine the underlying cause of the condition.

Treatment

Treatment for xanthochromia focuses on addressing the underlying cause of the condition. This may involve surgery to repair a ruptured aneurysm, medication to control symptoms, or other interventions as appropriate.

Prognosis

The prognosis for individuals with xanthochromia varies widely and depends on the underlying cause of the condition. In cases where the condition is caused by a subarachnoid hemorrhage, the prognosis can be poor, as this is a serious and potentially life-threatening condition. However, with prompt diagnosis and treatment, many individuals can recover.

See also

• Subarachnoid hemorrhage
• Cerebrospinal fluid
• Bilirubin
• Hemoglobin

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