Developmental venous anomaly

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Developmental venous anomaly
Synonyms	Venous angioma
Pronounce	N/A
Specialty	N/A
Symptoms	Usually asymptomatic, but can include headaches or seizures
Complications	Rarely intracerebral hemorrhage
Onset	Congenital
Duration	Lifelong
Types	N/A
Causes	Congenital malformation
Risks	None known
Diagnosis	MRI, CT
Differential diagnosis	Cavernous hemangioma, Arteriovenous malformation
Prevention	N/A
Treatment	Usually none required
Medication	N/A
Prognosis	Excellent
Frequency	Common
Deaths	N/A

Developmental Venous Anomaly (DVA), also known as venous angioma, is a condition that affects the veins in the brain. It is the most common type of vascular malformation in the brain, occurring in approximately 2.5% of the population.

Etymology

The term "Developmental Venous Anomaly" is derived from the fact that these anomalies are present from birth, indicating that they develop during the formation of the vascular system in the fetus.

Description

Developmental Venous Anomalies are characterized by a series of small veins that drain into a larger central vein. These veins are often arranged in a radial pattern, resembling the spokes of a wheel. The central vein then drains into the normal venous system of the brain.

Symptoms

Most people with a Developmental Venous Anomaly do not experience any symptoms. In rare cases, symptoms may occur if the DVA is associated with other vascular malformations, such as cavernous malformations or arteriovenous malformations. Symptoms can include headache, seizure, or neurological deficits.

Diagnosis

Developmental Venous Anomalies are typically discovered incidentally during imaging studies of the brain, such as MRI or CT scan. They can be identified by their characteristic appearance on these imaging studies.

Treatment

In most cases, no treatment is necessary for a Developmental Venous Anomaly. If symptoms occur, treatment is directed at the associated vascular malformation.

Prognosis

The prognosis for individuals with a Developmental Venous Anomaly is generally good. Most people with a DVA live normal, healthy lives without any symptoms or complications.

See also

• Vascular malformation
• Cavernous malformation
• Arteriovenous malformation

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