Erythrokeratodermia variabilis et progressiva
अंतिम अद्यतन 2 Oct 2024
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Erythrokeratodermia variabilis et progressiva (EKVP) is a skin disorder that is present at birth or becomes apparent in infancy. Although its signs and symptoms vary, the condition is characterised by two major features. The first is hyperkeratosis, which is rough, thickened skin. These patches are usually reddish-brown and can either affect many parts of the body or occur in only a small area. They tend to be fixed, meaning they rarely spread or go away. However, the patches can vary in size and shape, and in some affected people they get larger over time. The areas of hyperkeratosis are generally symmetric, which means they occur in the same places on the right and left sides of the body.
विवरण
Erythrokeratodermia variabilis et progressiva (EKVP) is a skin disorder that is present at birth or becomes apparent in infancy. Although its signs and symptoms vary, the condition is characterised by two major features. The first is hyperkeratosis, which is rough, thickened skin. These patches are usually reddish-brown and can either affect many parts of the body or occur in only a small area. They tend to be fixed, meaning they rarely spread or go away. However, the patches can vary in size and shape, and in some affected people they get larger over time. The areas of hyperkeratosis are generally symmetric, which means they occur in the same places on the right and left sides of the body.
The second major feature of EKVP is patches of reddened skin called erythematous areas. Unlike the hyperkeratosis that occurs in this disorder, the erythematous areas are usually transient, which means they come and go. They vary in size, shape, and location, and can occur anywhere on the body. The redness is more common in childhood and can be triggered by sudden changes in temperature, emotional stress, or trauma or irritation to the area. It usually fades within hours to days.
Inheritance patterns
The source lists the following possible inheritance patterns: Autosomal dominant; Autosomal recessive. More than one pattern can apply in different cases.
Related genes
Other names
EKV
EKV-P
EKVP
Erythrokeratodermia variabilis
Erythrokeratodermia variabilis of Mendes da Costa
Erythrokeratodermia, progressive symmetric
Progressive symmetrical erythrokeratoderma of Gottron
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अधिक पठन और संदर्भ
- Erythrokeratodermia variabilis et progressiva; MedlinePlus, National Library of Medicine.
- Boyden LM, Craiglow BG, Zhou J, Hu R, Loring EC, Morel KD, Lauren CT, Lifton RP, Bilguvar K, Paller AS, Choate KA. Dominant De Novo Mutations in GJA1 Cause Erythrokeratodermia Variabilis et Progressiva, without Features of Oculodentodigital Dysplasia. J Invest Dermatol. 2015 Jun;135(6):1540-1547. doi: 10.1038/jid.2014.485. Epub 2014 Nov 14.
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- Richard G, Smith LE, Bailey RA, Itin P, Hohl D, Epstein EH Jr, DiGiovanna JJ, Compton JG, Bale SJ. Mutations in the human connexin gene GJB3 cause erythrokeratodermia variabilis. Nat Genet. 1998 Dec;20(4):366-9. doi: 10.1038/3840.
- Umegaki-Arao N, Sasaki T, Fujita H, Aoki S, Kameyama K, Amagai M, Seishima M, Kubo A. Inflammatory Linear Verrucous Epidermal Nevus with a Postzygotic GJA1 Mutation Is a Mosaic Erythrokeratodermia Variabilis et Progressiva. J Invest Dermatol. 2017 Apr;137(4):967-970. doi: 10.1016/j.jid.2016.11.016. Epub 2016 Nov 24. No abstract available.
- van Steensel MA, Oranje AP, van der Schroeff JG, Wagner A, van Geel M. The missense mutation G12D in connexin30.3 can cause both erythrokeratodermia variabilis of Mendes da Costa and progressive symmetric erythrokeratodermia of Gottron. Am J Med Genet A. 2009 Feb 15;149A(4):657-61. doi: 10.1002/ajmg.a.32744.
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