keratoderma


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keratoderma

 [ker″ah-to-der´mah]
hypertrophy of the horny layer of the skin.
keratoderma blennorrha´gicum a cutaneous manifestation of reiter's disease, most often involving the palms, soles, toes, and glans penis, and characterized by development of thick keratotic coverings; the lesions resemble those of pustular psoriasis. The disorder was formerly thought to be associated with gonorrhea.
keratoderma climacte´ricum an acquired form of keratoderma that affects the palms of the hands and soles of the feet; it occurs in women about the time of menopause and may be associated with fissuring of the thickened patches.
palmoplantar keratoderma a group of mostly inherited disorders characterized by the excessive formation of keratin, localized or diffuse, on the palms and soles, sometimes with painful lesions resulting from fissuring of the skin; it may occur alone or may accompany or be part of another disease.

ker·a·to·der·ma

(ker'ă-tō-der'mă),
1. Any horny superficial growth.
2. A generalized thickening of the horny layer of the epidermis.
[kerato- + G. derma, skin]

ker·a·to·der·ma

(ker'ă-tō-dĕr'mă)
1. Any horny superficial growth.
2. A generalized thickening of the horny layer of the epidermis.
[kerato- + G. derma, skin]

ker·a·to·der·ma

(ker'ă-tō-dĕr'mă)
1. Any horny superficial growth.
2. A generalized thickening of the horny layer of the epidermis.
[kerato- + G. derma, skin]
References in periodicals archive ?
"Although there are some things that are more pathognomonic for PRP, like the Achilles tendon involvement and the keratoderma, for psoriasis we have nail pitting, which we don't usually see in PRP," Dr.
Hereditary causes include pachyonychia congenita, Mal de Meleda, Unna-Thost, Vohwinkel, Papillon-Lefevre syndrome, [3,4] mutilating keratoderma, lamellar ichthyosis.
Other types of PPPKs include filiform keratoderma and marginal keratoderma.
Chronic idiopathic urticaria, acne, alopecia areata, acanthosis nigricans, vitiligo, tinea corporis, acrochordons, psoriasis, lichen planus, chronic lichenified eczema, keratosis pilaris, palmoplantar keratoderma, PLE were the frequent associated conditions seen in thyroid disorders group.
bronchial Typically occur adenocarcinoma decades after chronic arsenic ingestion Idiopathic filiform Multiple thin spiny Breast, renal, colon, porokeratoses keratotic projections and lung cancer on palms and soles Keratosis punctata Discrete, sharply Dupuytren's of the palmar creases marginated, contracture, striate hyperkeratotic, keratoderma, knuckle conical, 1-5 mm pads depressions confined to flexural creases Hereditary keratoses Classic clinical Associations description Keratosis punctata Multiple 1-2 mm Longitudinal nail palmoplantaris punctate keratoses of dystrophy, lichen (type I), the palms and soles nitidus, ichthyosis, Buschke-Fischer-Brauer atopy, recalcitrant disease warts.
Dating back to the 1970s, aquagenic palmar wrinkling was described in the literature in association with cystic fibrosis (CF), and it was not until 30 years later that aquagenic keratoderma was recognized as a distinct disorder.
Pachyonychia congenita, Jadassohn-Lewandowsky syndrome, palmoplantar keratoderma.
King LE et al.,16 reported palmoplantar keratoderma in 37% of the cases.