Melanonychia

Melanonychia is a black or brown pigmentation of the normal nail plate, and may be present as a normal finding on many digits in black patients, as a result of trauma, systemic disease, or medications, or as a postinflammatory event from such localized events as lichen planus or fixed drug eruption.^{[1]:790[2]:665}

There are two types, longitudinal and transverse melanonychia.^[2]:671 Longitudinal melanonychia may be a sign of subungual melanoma (Acral lentiginous melanoma),^[3] although there are other diagnosis such as chronic paronychia, onychomycosis, subungual hematoma, pyogenic granuloma, glomus tumour, subungual verruca, mucous cyst, subungual fibroma, keratoacanthoma, carcinoma of the nail bed, and subungual exostosis.

See also

• Nail anatomy
• List of cutaneous conditions

References

1. ^ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0721629210.
2. ^ ^{a b} Freedberg, et. al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0071380760.
3. ^ Baran, Robert, et al. 2008. Baran & Dawber's Diseases of the Nails and Their Management. Oxford: Blackwell, p. 516.

This Condition of the skin appendages article is a stub. You can help Wikipedia by expanding it.v · Categories: Condition of the skin appendages stubs Conditions of the skin appendages Wikimedia Foundation. 2010. Игры ⚽ Нужно сделать НИР? Melanomys zunigae Melanopella Look at other dictionaries: melanonychia — Black pigmentation of the nails. [melano + G. onyx (onych ), nail] * * * n. blackening of the nails with the pigment melanin. * * * mel·a·no·nych·ia (mel″ə no nikґe ə) [melan + onychia] blackening of the nail by melanin… …   Medical dictionary melanonychia — n. blackening of the nails with the pigment melanin …   The new mediacal dictionary меланонихия — (melanonychia; мелан + греч. onyx, onychos ноготь) отложение меланина в ногтях, напр. при сахарном диабете, беременности …   Большой медицинский словарь Меланонихи́я — (melanonychia; Мелан + греч. onyx, onychos ноготь) отложение меланина в ногтях, например при сахарном диабете, беременности …   Медицинская энциклопедия Nail disease — or disorder Classification and external resources Onychia without granuloma ICD 10 L …   Wikipedia List of cutaneous conditions — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. See also: Cutaneous conditions, Category:Cutaneous conditions, and ICD 10… …   Wikipedia Acne vulgaris — This article is about a skin disease commonly found during adolescence. For other acneform skin diseases, see Acne (disambiguation). Acne vulgaris Classification and external resources …   Wikipedia Alopecia areata — Classification and external resources Alopecia areata. ICD 10 L63 …   Wikipedia Baldness — Bald redirects here. For other uses, see Bald (disambiguation). Alopecia Classification and external resources Man displaying male pattern baldness ICD 10 L …   Wikipedia Alopecia — This article is about the medical condition. For the 2008 album by Why?, see Alopecia (album). Alopecia Classification and external resources Alopecia in a 33 year old man. ICD 10 …   Wikipedia 18+ © Academic, 2000-2024 Contact us: Technical Support, Advertising Dictionaries export, created on PHP, Joomla, Drupal, WordPress, MODx. Mark and share Search through all dictionaries Translate… Search Internet Share the article and excerpts Direct link … Do a right-click on the link above and select “Copy Link”