Verrucous vascular malformation
Encyclopedia
Verrucous vascular malformation (also known as "Angiokeratoma circumscriptum naeviforme") is a malformation of dermal
and subcutaneous capillaries
and vein
s, a congenital vascular malformation
, which, over time, a verrucous component appears.
Dermis
The dermis is a layer of skin between the epidermis and subcutaneous tissues, and is composed of two layers, the papillary and reticular dermis...
and subcutaneous capillaries
Capillary
Capillaries are the smallest of a body's blood vessels and are parts of the microcirculation. They are only 1 cell thick. These microvessels, measuring 5-10 μm in diameter, connect arterioles and venules, and enable the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste...
and vein
Vein
In the circulatory system, veins are blood vessels that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart...
s, a congenital vascular malformation
Vascular malformation
Vascular malformation is a term used to refer to blood vessel abnormalities. Vascular malformations and vascular tumors both belong to vascular anomaliesThere are many types, but the most common is arteriovenous malformation....
, which, over time, a verrucous component appears.