Keratoderma Explained

Keratoderma is a hornlike skin condition.^[1]

Classification

The keratodermas are classified into the following subgroups:^[2]

Congenital

• Simple keratodermas
  • Diffuse palmoplantar keratodermas
    • 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 dysplasias
    • Clouston's hidrotic ectodermal dysplasia
    • Acrokeratotic poikiloderma
    • Dermatopathic pigmentosa reticularis
  • Syndromic keratodermas
    • 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
  • 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^[3]

See also

• Palmoplantar keratoderma
• List of cutaneous conditions

Notes and References

1. http://wordnet.princeton.edu/perl/webwn?s=keratoderma WordNet Search - 3.0
2. Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. .
3. Book: Rapini, Ronald P. . Bolognia, Jean L. . Jorizzo, Joseph L. . Dermatology: 2-Volume Set . Mosby . St. Louis . 2007 . 778 . 978-1-4160-2999-1 .