Images (5)
Nevus araneusI78.1
Synonym(s)
angioma stellatum; Cobweb nevus; Eppinger's Starlet; nevus arachnoides; Spider angioma; Spider mark; spider mole; Spidernaevus; Spider nevus; Star angioma; Vascular spider
DefinitionThis section has been translated automatically.
Acquired new vessel formation with 0.2 to 1.0 cm reticular redness.
This is telangiectasia with central arterial nodule and radiating capillary ectasia.
In large numbers and dense seeding, naevi aranei are an indication of severe liver disease or carcinoid syndrome. Also frequently occurring during pregnancy.
LocalizationThis section has been translated automatically.
Especially face and upper body.
Clinical featuresThis section has been translated automatically.
0.2-1.5 cm large, red, structured patch of spider web-like vascular veins, which start from a dot-shaped centre. With light compression with a glass spatula, arterial pulsations can be seen in the centre with the periphery fading away.
HistologyThis section has been translated automatically.
In serial cuts there is a vertically ascending arteriole in the centre. Irregularly incised capillary telangiectasias in the upper dermis.
TherapyThis section has been translated automatically.
In case of frequent occurrence, clarification of possible underlying diseases is necessary. Otherwise the central vessel may be sclerosed for cosmetic reasons by means of a diathermy needle or laser treatment( argon laser; pulsed dye laser). Excision only in exceptional cases.
LiteratureThis section has been translated automatically.
- Campolmi P et al (2011) Intense pulsed light in the treatment of non-aesthetic facial and neck vascular lesions: report of 85 cases. J Eur Acad Dermatol Venereol 25: 68-73.
- Erceg A et al (2010) A comparative study of pulsed 532-nm potassium titanyl phosphate laser and electrocoagulation in the treatment of spider nevi. Dermatol Surgery 36:630-635