Palmoplantar keratoderma

# Overview
Palmoplantar keratoderma (PPK) or keratosis palmaris et plantaris is part of a group of disorders of the skin affecting primarily the palms of the hands and soles of the feet. It is characterized by thickening of the palms and the soles of individuals who are affected.

# Causes
The condition may be hereditary, acquired, or part of another disease with PPK as an associated feature.

# Diagnosis

## Physical Examination

### Skin
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Palmoplantar keratoderma. With permission from Dermatology Atlas.
- Marginal keratoderma of the palms. With permission from Dermatology Atlas.
- Marginal keratoderma of the palms. With permission from Dermatology Atlas.
- Marginal keratoderma of the palms. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.
- Progressive palmoplantar keratoderma. With permission from Dermatology Atlas.