Types of Palmoplantar Keratoderma

Diffuse Palmoplantar Keratoderma

Thickening involves most or all of the palms and soles.

Focal Palmoplantar Keratoderma

Thickened skin develops mainly over pressure points, such as the heels and balls of the feet.

Punctate Palmoplantar Keratoderma

Multiple small, hard, keratotic bumps appear on the palms and soles.

Hereditary Palmoplantar Keratoderma

A genetic form that usually begins in infancy or childhood and may run in families.

Acquired Palmoplantar Keratoderma

Develops later in life and may be associated with inflammatory skin diseases, infections, systemic illnesses, medications, or, rarely, internal diseases.

Common Symptoms

* Thick, rough skin on the palms and/or soles
* Yellowish or waxy skin thickening
* Painful cracks (fissures)
* Dryness and scaling
* Difficulty walking or using the hands in severe cases
* Excessive sweating or unpleasant odor in some individuals

Causes and Risk Factors

* Inherited genetic mutations
* Family history
* Repeated friction or pressure
* Certain inflammatory skin conditions
* Infections
* Systemic diseases
* Certain medications

Diagnosis

Diagnosis is based on:

* Medical history
* Physical examination
* Family history
* Skin biopsy when required
* Genetic testing in selected hereditary cases

When Should You See a Dermatologist?

Consult a dermatologist if:

* Thickened skin on the palms or soles is painful or worsening.
* Cracks develop and become recurrent.
* Walking or daily activities become difficult.
* The condition begins in childhood or runs in your family.
* You notice sudden onset of palm or sole thickening without an obvious cause.

Important Facts

* Palmoplantar Keratoderma is not contagious.
* Some forms are inherited, while others develop later in life.
* The condition can vary greatly in severity from person to person.
* Early diagnosis helps identify the specific type and any associated medical conditions.