Nevus araneus I78.1

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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angioma stellatum; Cobweb nevus; Eppinger's Starlet; nevus arachnoides; Spider angioma; Spider mark; spider mole; Spidernaevus; Spider nevus; Star angioma; Vascular spider

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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.

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Especially face and upper body.

Clinical features
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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.

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In serial cuts there is a vertically ascending arteriole in the centre. Irregularly incised capillary telangiectasias in the upper dermis.

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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.

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  1. 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.
  2. 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


Please ask your physician for a reliable diagnosis. This website is only meant as a reference.


Last updated on: 29.10.2020