Punctate palmoplantar keratoderma type 2
ORPHA:79502· ICD-10 Q82.8
Definition
Punctate palmoplantar keratoderma type 2 is a type of isolated, punctate, hereditary palmoplantar keratoderma characterized by multiple, asymptomatic, 1 to 2 mm-long, firm, hyperkeratotic projections ('spiny keratosis') on the palms, soles and digits (typically confined to their volar and/or lateral aspects). Histopathologically, compact columnar parakeratosis over hypo- or agranular epidermis is observed.
- Prevalence
- <1 / 1 000 000
- Inheritance
- Autosomal dominant
- Age of onset
- Adult