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; Eppinger starlet; nevus arachnoides; Spider angioma; Spidernaevus; Spider-Naevus; Spider nevus; Spider web nevus; Star angioma

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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 a carcinoid syndrome.

Also frequently occurring during pregnancy. Such Naevi aranei are capable of regression.

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Especially face and upper body.

Clinical features
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0.2-1.5 cm high, red, structured patch of spiderweb-like vascular veins, which start from a dot-shaped, often slightly raised centre.

With slight compression by means of a glass spatula, arterial pulsations can be detected in the feeding central vessel with the periphery fading away, to completely compressible.

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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


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Last updated on: 29.10.2020