Onycholysis semilunaris L60.1

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Onycholysis partial; partial onycholysis; Partial Onycholysis

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Crescent-shaped or tongue-shaped incomplete onycholysis with detachment of the nail plate from the free edge

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Frequently with long-term exposure to water, soap and detergent solutions. Also possible in case of bruising with bruises, pyogenic onychia, onycholysis semilunaris mycotica and onycholysis psoriatica.

Clinical features
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The detached part of the nail plate appears white. Suction of liquid under the detached nail plate (capillary action) with subungual maceration and enlargement of the detachment.

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Treatment of the underlying disease, see there. Cut affected nails short, remove onycholytic parts of the nail plate if possible. Do not work for long periods in a damp environment; after damp work, dry the nail organ (if necessary with a hairdryer); protect nails during rough work by wearing cotton gloves. Pay attention to the occurrence of infections (mycotic, bacterial, viral) and if necessary treat them specifically; if necessary, take anti-infective prophylaxis (e.g. regular use of a liquid antimycotic).


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


Last updated on: 29.10.2020