Keratosis palmoplantaris with hypopigmentation

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

Cole disease

History
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Cole 1976

Definition
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Very rare, apparently autosomal dominant inherited genodermatosis, the entity of which is currently still unknown.

Occurrence/Epidemiology
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After the initial description by Cole in 1976, less than 10 cases have been reported so far. Prevalence unknown.

Etiopathogenesis
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The underlying genetic defect is not known. It is suspected that the transfer of melanosomes is disturbed and that there is an undefined keratinisation disorder.

Manifestation
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The skin changes occur at birth or in early childhood.

Clinical features
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The disease is characterized by a combination of congenital or early childhood papular palmoplantar hyperkeratoses (palmoplantar keratoses) and irregularly limited "guttata-like" hypopigmentation, often restricted to the extremities. There are no associated diseases.

Histology
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  • Palmoplantar keratosis: Acanthotic epidermis with hypergranulosis and mostly massive orthohyperkeratosis; no epidermolysis, vacuolisation or elastorrhexis; no corneal lamella.
  • In the hypopigmented areas there is a normal number of melanocytes and a reduced degree of pigmentation of the keratinocytes.

Therapy
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Symptomatic; fatty exteriors, possibly keratolytic exteriors.

Literature
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  1. Moore MM et al (2009) Cole Disease: Guttate hypopigmentation and punctate palmoplantar keratoderma. Arch Dermatol 2009145: 495-497.
  2. Vignale R et al (2002) Cole disease: hypopigmentation with punctate keratosis of the palms and soles. Pediatric Dermatol 19: 302-306

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020