keratoderma

keratoderma /ker·a·to·der·ma/ (ker″ah-to-der´mah)

1. hypertrophy of the stratum corneum of the skin.

2. a horny skin or covering.

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keratoderma blennorrha´gicum  pustular psoriasis associated with gonorrhea.

keratoderma climacte´ricum  an acquired form on the palms and soles, sometimes with fissuring of the thickened patches, in perimenopausal women.

palmoplantar keratoderma  congenital, hereditary thickening of the skin of the palms and soles, sometimes with painful fissuring; often associated with other anomalies.

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ker·a·to·der·ma (kr-t-dûrm)

n.

1. A horny covering or growth, especially of the skin.

2. A generalized thickening of the stratum corneum.

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keratoderma

[ker′ətōdur′mə]

Etymology: Gk, keras, horn + derma, skin

1 a horny skin or covering.

2 hypertrophy of the horny layer of the skin. See also callus, hyperkeratosis.

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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.

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keratoderma

hypertrophy of the horny layer of the skin.