Hyperkeratosis of palms and toes

Introduction Excessive keratinization of the palm and toe skin refers to thickening of the outer layer of the skin, which contains a strong protective protein called keratin. This thickening is usually part of the normal protective mechanism of the skin to combat friction, stress and other forms of local irritation. Other forms of hyperkeratosis can be used as a skin for chronic inflammation, infection, solar radiation or irritating chemicals. The defense mechanism occurs. In a small number of cases, keratinization occurs excessively in areas of the skin that are not subject to any irritation. This type of hyperkeratosis may be part of a hereditary disease that can occur shortly after birth and can affect the skin in large areas of the body.

Cause

1. Mechanically stimulate chemical and physical stimulation of cement, soap, caustic soda, etc.

2. Genetic factors.

3, hormone levels in the body.

4. Pathological changes such as malignant tumors.

an examination

Related inspection

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The clinical features are mainly palms and fingers, which are characterized by dryness, roughness and thickening. In severe cases, the skin is cracked and painful, and the deep cracks can also bleed, which often affects labor. The incidence and season are closely related and are generally more common in winter.

Differential diagnosis

Hyperkeratosis of the palm and toe skin is often differentiated from allergic skin disease. Allergic skin disease is a skin disease caused by allergens. Specific allergens can be divided into four categories: contact allergens, inhaled allergens, ingested allergens, and injected into allergens. Each type of allergen can cause a corresponding allergic skin disease, the main manifestations are a variety of dermatitis, eczema, urticaria.

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