無爪症
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出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2014/05/08 19:51:52」(JST)
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Anonychia |
Classification and external resources |
ICD-10 |
L60.8, Q84.3 |
ICD-9 |
703.8, 757.5 |
Anonychia is the absence of nails, a rare anomaly, which may be the result of a congenital ectodermal defect, ichthyosis, severe infection, severe allergic contact dermatitis, self-inflicted trauma, Raynaud phenomenon, lichen planus, epidermolysis bullosa, or severe exfoliative diseases.[1]:784
Congenital form
This is rare and is usually due to mutations in the R-spondin 4 (RSPO4) gene which is located on the short arm of chromosome 20 (20p13).[2] Clinically it is manifest by the absence (anonychia) or hypoplasia (hyponuchia) of finger- and/or toenails.
See also
- List of cutaneous conditions
References
- ^ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.
- ^ Khan TN, Klar J, Nawaz S, Jameel M, Tariq M, Malik NA, Baig SM, Dahl N (2012) Novel missense mutation in the RSPO4 gene in congenital hyponychia and evidence for a polymorphic initiation codon (p.M1I). BMC Med Genet 13(1):120
Disorders of skin appendages (L60–L75, 703–706)
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Nail |
- thickness: Onychogryphosis
- Onychauxis
- color: Beau's lines
- Yellow nail syndrome
- Leukonychia
- Azure Lunula
- shape: Koilonychia
- Nail clubbing
- behavior: Onychotillomania
- Onychophagia
- other: Ingrown nail
- Anonychia
- ungrouped: Paronychia
- Chevron nail
- Congenital onychodysplasia of the index fingers
- Green nails
- Half and half nails
- Hangnail
- Hapalonychia
- Hook nail
- Lichen planus of the nails
- Longitudinal erythronychia
- Malalignment of the nail plate
- Median nail dystrophy
- Mees' lines
- Melanonychia
- Muehrcke's lines
- Nail–patella syndrome
- Onychoatrophy
- Onychocryptosis
- Onycholysis
- Onychomadesis
- Onychomatricoma
- Onychomycosis
- Onychophosis
- Onychoptosis defluvium
- Onychorrhexis
- Onychoschizia
- Platonychia
- Pincer nails
- Plummer's nail
- Psoriatic nails
- Pterygium inversum unguis
- Pterygium unguis
- Purpura of the nail bed
- Racquet nail
- Red lunulae
- Shell nail syndrome
- Splinter hemorrhage
- Spotted lunulae
- Staining of the nail plate
- Stippled nails
- Subungual hematoma
- Terry's nails
- Twenty-nail dystrophy
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Hair |
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Sweat glands |
Eccrine |
- Miliaria
- Colloid milium
- Miliaria crystalline
- Miliaria profunda
- Miliaria pustulosa
- Miliaria rubra
- Occlusion miliaria
- Postmiliarial hypohidrosis
- Granulosis rubra nasi
- Ross’ syndrome
- Anhidrosis
- Hyperhidrosis
- Generalized
- Gustatory
- Palmoplantar
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Apocrine |
- Body odor
- Chromhidrosis
- Fox–Fordyce disease
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Sebaceous |
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noco/cong/tumr, sysi/epon
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Congenital malformations and deformations of skin appendages (Q84, 757.4–757.5)
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Nail disease |
- Anonychia
- Leukonychia
- Pachyonychia congenita/Onychauxis
- Koilonychia
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Hair disease |
- hypotrichosis/abnormalities: keratin disease
- IBIDS syndrome
- Sabinas brittle hair syndrome
- Pili annulati
- Pili torti
- Uncombable hair syndrome
- Björnstad syndrome
- Giant axonal neuropathy with curly hair
- hypertrichosis: Zimmermann–Laband syndrome
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noco/cong/tumr, sysi/epon
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UpToDate Contents
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English Journal
- Chiacchio ND1, Jasso-Olivares JC2, Chiacchio NG1, Jacinto JA1, Restrepo MV1.
- Anais brasileiros de dermatologia.An Bras Dermatol.2015 May-Jun;90(3):423-5. doi: 10.1590/abd1806-4841.20153395. Epub 2015 Jun 1.
- The Iso-Kikuchi Syndrome is a rare condition characterized by nail dysplasia involving the index fingers, including micronychia, polyonychia, anonychia, irregular lunula, malalignment and hemionychogryphosis. On the antero-posterior image, radiologic examination reveals a narrowing of the distal pha
- PMID 26131880
- Congenital constriction ring of limbs in subjects with history of maternal substance use.
- Malik S1, Lal K1, Fatima NG1, Samo A2, Haque S1.
- Journal of the College of Physicians and Surgeons--Pakistan : JCPSP.J Coll Physicians Surg Pak.2015 May;25(5):383-5. doi: 05.2015/JCPSP.383385.
- Congenital Constriction Ring (CCR) is a rare malformation which manifests itself in the form of ring-like constrictive bands. Due to its heterogeneous nature, its etiology remains unclear. Here, we present a series of seven independent individuals afflicted with CCR, which primarily involved the dig
- PMID 26008671
- Qureshi A1, Wong KY2, Grant I3.
- The Journal of hand surgery, European volume.J Hand Surg Eur Vol.2015 Apr 16. pii: 1753193415583245. [Epub ahead of print]
- PMID 25881976
Japanese Journal
- The gene encoding R-spondin 4 (RSPO4), a secreted protein implicated in Wnt signaling, is mutated in inherited anonychia
- Twenty Nail Anonychia Due to Lichen Planus
Related Links
- anonychia / ˌæn əˈnɪk i ə / Show Spelled [an-uh-nik-ee-uh] Show IPA noun Medicine/Medical. congenital absence of the nails. Origin: Neo-Latin Greek an-an-1 + onych-(stem of ónyx nail; see onyx) + -ia-ia Dictionary.com ...
- Tweet a {background-image:none !important;} ]]> Anonychia është ? Anonychia është shprehje për mungesë e thonjëve. Cka,qka,ceshte,cfare,qeshte,çka,çfarë,domethene,dmth, do te thote, definicioni, perkufizimi,shpjegimi, kuptojm ...
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- 英
- anonychia
- 同
- 爪甲欠損症 anonychosis
- 関
- 爪甲形成異常