Pyoderma acroderma of infants

Introduction to infant spastic psoriasis Inftile extremity pustuloderma is an inflammatory disease that occurs in infants' hands and feet and is a pruritic papule and pustule. It has been reported at home and abroad since 1976. basic knowledge The proportion of sickness: 0.0023% Susceptible people: children Mode of infection: non-infectious Complications: sepsis

Causes of acral pyoderma in infants

The cause of the disease is unknown, and the pustules or blister contents of the patient are subjected to bacterial and fungal culture, and all are negative.

Prevention of acral pyoderma in infants

1. For babies 2 to 10 months, bathe regularly to avoid overheating and sweating.

2. Pay attention to skin hygiene, strengthen physical exercise and increase skin resistance.

3. Maintain the integrity of skin function. For skin diseases, especially pruritic skin diseases, timely treatment should be carried out to prevent skin damage and avoid irritation such as scratching and skin friction.

Complications of acral pyoderma in infants Complications sepsis

Although the disease is a suppurative disease, no pneumonic puncture has been found to have bacterial growth. However, the rupture of herpes can cause the destruction of skin integrity, so it can cause skin bacterial infection or fungal infection due to scratching, usually secondary to low body constitution, or long-term use of immunosuppressants and fungal infections such as nail fungus, such as Concurrent bacterial infections may have symptoms such as fever, swelling of the skin, ulceration, and purulent secretion. Severe cases can lead to sepsis.

Symptoms of psoriasis in infants, common symptoms, pustules, papules, itching, restlessness

The disease occurs in infants of 2 to 10 months, occasionally in children of 5 years old, and is more common in black children abroad. Males are more than females. The skin lesions start with a red papule of the size of a cap needle, isolated or formed. Group distribution, after 24h, became a blister or pustule with a diameter of 1 ~ 2mm. The good hair is the palm and the sole of the foot, followed by the back of the hand, the wrist, the back of the foot, the ankle, occasionally on the scalp. The rash is repeated and the itching is severe. Affect sleep, children are irritated, skin lesions generally relieved 7 to 10 days after onset, subsided, but can be re-emerged after 2 to 3 weeks, summer skin lesions intensified, self-healing after 2 years of age.

Examination of acral pyoderma in infants

Most of the pleomorphic granulocytes were seen in the smear of the skin lesions. Some of them showed obvious eosinophil infiltration, and both bacterial and fungal cultures were negative.

Histopathology: shows localized psoriasis pustules, filled with neutral polymorphonuclear granulocytes and sap, blister top consists of dense stratum corneum, blister bottom consists of compressed germinal layer, dermal papilla mild edema There are lymphocytic infiltration around the superficial blood vessels and a few neutrophils and eosinophils. There is no special direct and indirect immunofluorescence. Most of the granulocytes are visible in the smear of the lesion, and some of them are obviously eosinophilic. Infiltration of granulocytes, bacterial and fungal cultures were negative.

Diagnosis and diagnosis of acral pyoderma in infants

diagnosis

According to typical clinical symptoms and signs, diagnosis is not difficult.

Differential diagnosis

Need to be associated with impetigo, neonatal transient pustular melanosis, sweating eczema, palmoplantar pustular psoriasis, sweat herpes, hemorrhoids and so on.

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