{{Infobox medical condition |name = |synonyms = |image = Planter keratodermaC.jpg |caption = Diffuse keratodermas affect most of the palms and soles. |pronounce = |specialty = <!-- from Wikidata; can be overwritten --> |symptoms = |complications = |onset = |duration = |types = |causes = |risks = |diagnosis = |differential = |prevention = |treatment = |medication = |prognosis = |frequency = |deaths = |named after = }}
'''Keratoderma''' is a local or general thickening of the horny layer of the epidermis.<ref>{{Cite OED|keratoderma}}</ref>
==Classification== The keratodermas are classified into the following subgroups:<ref name="Fitz2">Freedberg, et al. (2003). ''Fitzpatrick's Dermatology in General Medicine''. (6th ed.). McGraw-Hill. {{ISBN|0-07-138076-0}}.</ref>{{rp|506}}
===Congenital=== * Simple keratodermas ** [[Diffuse palmoplantar keratoderma]]s *** [[Diffuse epidermolytic palmoplantar keratoderma]] *** [[Diffuse nonepidermolytic palmoplantar keratoderma]] *** [[mal de Meleda]] ** [[Focal palmoplantar keratoderma]] *** [[Striate palmoplantar keratoderma]] ** [[Punctate palmoplantar keratoderma]] *** [[Keratosis punctata palmaris et plantaris]] *** [[Spiny keratoderma]] *** [[Focal acral hyperkeratosis]] * Complex keratodermas ** [[Diffuse palmoplantar keratoderma]] *** [[Erythrokeratodermia variabilis]] *** [[Palmoplantar keratoderma of Sybert]] *** [[Olmsted syndrome]] *** [[Naegeli–Franceschetti–Jadassohn syndrome]] ** [[Focal palmoplantar keratoderma]] *** [[Papillon–Lefèvre syndrome]] *** [[Pachyonychia congenita type I]] *** [[Pachyonychia congenita type II]] *** [[Focal palmoplantar keratoderma with oral mucosal hyperkeratosis]] *** [[Camisa disease]] ** [[Ectodermal dysplasia]]s *** [[Clouston's hidrotic ectodermal dysplasia]] *** [[Acrokeratotic poikiloderma]] *** [[Dermatopathic pigmentosa reticularis]] ** [[Syndromic keratoderma]]s *** [[Vohwinkel syndrome]] *** [[Palmoplantar keratoderma associated with esophageal cancer]] *** [[Palmoplantar keratoderma and spastic paraplegia]] *** [[Naxos disease]] *** [[Striate palmoplantar keratoderma, woolly hair, and left ventricular dilated cardiomyopathy]] *** [[Keratitis-ichthyosis-deafness syndrome]] *** [[Corneodermatosseous syndrome]] *** [[Huriez syndrome]] *** [[Oculocutaneous tyrosinemia]] *** [[Cardiofaciocutaneous syndrome]] *** [[Schöpf–Schulz–Passarge syndrome]]
===Acquired=== * Acquired keratodermas ** [[AIDS-associated keratoderma]] ** [[Arsenical keratoses]] ** [[Calluses]] ** [[Climacteric keratoderma]] ** [[Callus#Corns|Clavi]] (Corns) ** [[Eczema]] ** [[Human papillomavirus]] ** [[Keratoderma blenorrhagicum]] ** [[Lichen planus]] ** [[Norwegian scabies]] ** [[Paraneoplastic keratoderma]] ** [[Psoriasis]] ** [[Reactive arthritis]] ** [[Secondary syphilis]] ** [[Tinea pedis]] ** [[Sézary syndrome]] ** [[Tuberculosis verrucosa cutis]] ** [[Drug-induced keratoderma]]<ref name="Bolognia">{{cite book |author=Rapini, Ronald P. |author2=Bolognia, Jean L. |author3=Jorizzo, Joseph L. |title=Dermatology: 2-Volume Set |publisher=Mosby |location=St. Louis |year=2007 |pages=778 |isbn=978-1-4160-2999-1 }}</ref>
==See also== * [[Palmoplantar keratoderma]] * [[List of cutaneous conditions]]
==References== {{reflist}} ==External links== {{Medical resources | ICD10 = {{ICD10|L|85|1|l|80}}, {{ICD10|L|86||l|80}}, {{ICD10|Q|82|8|q|80}} | SNOMED CT = 707209001 }}
{{Cutaneous ketatosis, ulcer, atrophy, and necrobiosis}}
[[Category:Papulosquamous hyperkeratotic cutaneous conditions]]
{{Cutaneous-condition-stub}}