Onycholysis
From Infogalactic: the planetary knowledge core
| Onycholysis | |
|---|---|
| File:Onycholysis left hand 34yo male ring and little fingers non-fungal.jpg
Left hand onycholysis: ring and little fingers affected
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| Classification and external resources | |
| Specialty | Lua error in Module:Wikidata at line 446: attempt to index field 'wikibase' (a nil value). |
| ICD-10 | L60.1 |
| ICD-9-CM | 703.8 |
| DiseasesDB | 9236 |
| Patient UK | Onycholysis |
| MeSH | D054039 |
Onycholysis refers to the detachment of the nail from the nail bed, usually starting at the tip and/or sides.[1] On the hands, it is said to occur particularly on the ring finger but can occur on any of the fingernails. It may also happen to toenails.
Onycholysis can occur in many conditions, including psoriasis. In thyrotoxicosis it is thought to be due to sympathetic overactivity.[2] It may also be seen in infections or trauma.[3]
Contents
Etymology
Onycho-, from Ancient Greek ónuks, meaning nail, and Ancient Greek lúsis, meaning a loosening.
Causes
- Idiopathic
- Trauma, excessive manicuring
- Infection: especially fungal
- Skin disease: psoriasis, dermatitis
- Impaired peripheral circulation e.g. Raynaud's
- Systemic disease: hyper- and hypothyroidism, reactive arthritis, porphyria cutanea tarda
- Sometimes a reaction to detergents (e.g. washing dishes with bare hands, using detergent-based shampoos or soaps).
- Patients with hepatocellular dysfunction may develop hair-thinning or hair loss and nail changes such as clubbing,leukonychia (whitening), or onycholysis, affecting the nails of the hands and feet.[4]
See also
References
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