Spider telangiectasis is an acquired vascular malformation. It occurs because of the failure of a tiny muscle restricting the size of an arteriole. Increased pulsating flow through the vessel (the central papule) results in the dilatation of distal vessels (the red lines).

2023年7月17日 · Spider angioma, also known as spider naevus or spider telangiectasia, is a vascular lesion characterized by anomalous dilatation of end vasculature found just beneath the skin surface. The lesion contains a central, red spot and reddish extensions which radiate outward like a spider's web.

A spider angioma, also known as a spider nevus or spider telangiectasia, is a small red to purple mark on your skin caused by dilated (wide) blood vessels (capillaries) near the surface of your skin. Spider angiomas get their name because the mark on …

Spider telangiectasias are fairly common and look like little red lines on a child's skin. They are usually nothing more than a cosmetic problem. They form as a result of abnormal blood vessels (a.k.a. a vascular anomaly). Spider telangiectasias don’t cause any health problems. These lesions can be treated with pulsed dye laser.

2024年3月1日 · Spider angiomas, also known as spider nevi or spider telangiectasias, are common benign skin lesions characterized by a central red spot with radiating branches resembling a spider's web. While the exact cause of spider angiomas is not fully understood, several factors have been identified as possible contributors to their development.

2023年10月24日 · A spider angioma is a benign lesion that gets its name based on its spiderlike appearance. Spider angiomas contain a body, legs, and surrounding reddened patches of skin caused by dilation of the capillaries. A spider angioma may also be called a spider telangiectasis or spider nevus.

2024年9月19日 · Spider veins, also known as telangiectasias or thread veins, are prominent clusters of small, damaged blood vessels visible in the skin. They appear as thin red, blue, or purple lines. They are most commonly found on the legs but can also occur elsewhere, particularly on the face.

2024年10月25日 · Oral lesions, the face, lips and ears. The nasal septum is also affected. A serpiginous or ring-shaped pattern along a limb or buttocks. Occasionally it can be more extensive. One or a limited number of patches may occur, especially over the breasts or buttocks. Can be more widespread.

2019年3月13日 · Characteristically, spider telangiectasias with central puncta and ‘legs’ extending out from the center occur in a unilateral dermatomal or ‘Blashkoid’ distribution. These superficial dilated vessels are also described as appearing ‘thread like’ in …

A spider angioma is also called spider telangiectasia, spider nevus, arterial spider, vascular spider and naevus araneus, is composed of dilated blood vessels, and is clinically characterized by its spider-like appearance.