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Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
A venous lake (also known as phlebectasis [1]) is a generally solitary, soft, compressible, dark blue to violaceous, 0.2- to 1-cm papule commonly found on sun-exposed surfaces of the vermilion border of the lip, face and ears.
Vascular-related cutaneous conditions result from dysfunction of the blood and/or blood vessels in the dermis, or lymphatics in the subcutaneous tissues ...
Angiokeratoma of Fordyce (also known as "Angiokeratoma of the scrotum and vulva," though not to be confused with Fordyce's spots) [5] is a skin condition characterized by red to blue papules on the scrotum or vulva. Solitary angiokeratoma is a small, bluish-black, warty papule that occurs predominantly on the lower extremities. [5]: 590
Urticaria is a vascular reaction of the skin characterized by the appearance of wheals, which are firm, elevated swellings of the skin. [105] Angioedema , which can occur alone or with urticaria, is characterized by a well-defined, edematous swelling that involves subcutaneous tissues, abdominal organs, or upper airway.
Cherry angioma, also called cherry hemangioma [1] or Campbell de Morgan Spot, [2] is a small bright red dome-shaped bump on the skin. [3] It ranges between 0.5 – 6 mm in diameter and usually several are present, typically on the chest and arms, and increasing in number with age. [3] [4] If scratched, they may bleed. [5]
A port-wine stain (nevus flammeus) is a discoloration of the human skin caused by a vascular anomaly (a capillary malformation in the skin). [1] They are so named for their coloration, which is similar in color to port wine, a fortified red wine from Portugal. A port-wine stain is a capillary malformation, seen at birth. [2]
A spider angioma or spider naevus (plural: spider naevi), also nevus araneus, is a type of telangiectasis [2] (swollen, spider-like blood vessels on the skin) found slightly beneath the skin's surface, often containing a central red spot and deep reddish extensions (see Blood color) which radiate outwards like a spider's web or a spider's legs.