Keratoderma

Keratoderma is a local or general thickening of the horny layer of the epidermis.

Classification

The keratodermas are classified into the following subgroups:

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

See also

• Palmoplantar keratoderma
• List of cutaneous conditions

References

External links