1. Any horny superficial growth. 2. A generalized thickening of the horny layer of the epidermis. [kerato- + G. derma, skin]
- k. blennorrhagica SYN: keratosis blennorrhagica.
- k. blennorrhagicum (blen-o-raj′i-kum) the scattered, thickened, hyperkeratotic skin lesions seen in Reiter syndrome.
- lymphedematous k. SYN: mossy foot.
- mutilating k. [MIM*124500] diffuse k. of the extremities, with the development during childhood of constricting fibrous bands around the middle phalanx of the fingers or toes that may lead to spontaneous amputation; there may be congenital deafness; autosomal dominant inheritance, caused by mutation in the gene for loricrin (LOR), a component of the epidermal differentiation complex on 1q. SYN: keratoma hereditarium mutilans, Vohwinkel syndrome.
- k. palmaris et plantaris SYN: palmoplantar k..
- palmoplantar k. [MIM*148600 & MIM*244850] the occurrence of symmetrical diffuse or patchy areas of hypertrophy of the horny layer of the epidermis on the palms and soles; a group of ectodermal dysplasias of considerable variety, and either autosomal dominant or recessive inheritance. SYN: ichthyosis palmaris et plantaris, k. palmaris et plantaris, k. symmetrica, keratoma plantare sulcatum, keratosis palmaris et plantaris, tylosis palmaris et plantaris.
- k. plantare sulcatum hyperkeratosis and fissure formation on the soles. SYN: cracked heel.
- punctate k. [MIM*175860] horny papules over the palms, soles, and digits that develop central plugs; seen commonly in blacks; autosomal dominant inheritance. SYN: keratoma disseminatum, keratosis punctata.
- senile k. SYN: actinic keratosis.
- k. symmetrica SYN: palmoplantar k..
- type III punctate palmoplantar k. SYN: acrokeratoelastoidosis.

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ker·a·to·der·ma -'dər-mə n a horny condition of the skin

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ker·a·to·der·ma (ker″ə-to-durґmə) [kerato- + derma] 1. a horny skin or covering. 2. hypertrophy of the stratum corneum of the skin; see also callus and hyperkeratosis (def. 1). Called also keratodermia.

Medical dictionary. 2011.

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  • Keratoderma — Classification and external resources ICD 10 L85.1, L86, Q82.8 …   Wikipedia

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  • Keratoderma climactericum — Keratoderma climactericum, also known as Climacteric keratoderma, Haxthausen s disease, [1][2] and Acquired plantar keratoderma, [2] is a skin condition characterized by hyperkeratosis of the palms and soles beginning at about the time of… …   Wikipedia

  • keratoderma blennorrhagicum — keratoderma blen·nor·rhag·i·cum .blen ȯr aj i kəm n KERATOSIS BLENNORRHAGICA * * * a cutaneous manifestation of Reiter syndrome, named for the former idea that it was related to gonorrhea. It usually involves the palms, soles, toes, or glans… …   Medical dictionary

  • Keratoderma blennorrhagica — Infobox Disease Name = PAGENAME Caption = A differential diagnosis revealed that the rash on the bottom of this individual’s feet, known as keratoderma blennorrhagica, was due to Reiter s syndrome, not a syphilitic infection as was initially… …   Wikipedia

  • keratoderma palmare et plantare — palmoplantar keratoderma, keratoderma palmoplantare, keratoderma of palms and soles a group of mostly inherited disorders characterized by excessive formation of keratin on the palms and soles; this may be localized or diffuse, and sometimes… …   Medical dictionary

  • keratoderma climactericum — a type of acquired palmoplantar keratoderma occurring in women about the time of menopause; there is sometimes fissuring of the thickened patches …   Medical dictionary

  • keratoderma — /ker euh toh derr meuh/, n. Pathol. a disease of the horny layer of the skin, esp. of the soles or palms. Also, keratodermia /ker euh toh derr mee euh/. [1930 35; KERATO + DERMA] * * * …   Universalium

  • keratoderma — n. disorder characterized by a thickening of the skin of the palms and soles (Pathology) …   English contemporary dictionary

  • keratoderma — ker·a·to·der·ma …   English syllables

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