Alopecia folliculitis
Introduction
Introduction to alopecia folliculitis Alopecia folliculitis is a destructive, folliculitis with permanent alopecia. It is caused by sebum overflow and Staphylococcus aureus infection, which causes the hair follicle to be destroyed, and forms a hair follicle with permanent hair loss. The symptoms are: follicular erythema, papules, and gradually develop into pustules. Permanent hair loss. basic knowledge The proportion of illness: 0.005% Susceptible people: no specific population Mode of infection: non-infectious Complications: impetigo
Cause
Causes of alopecia folliculitis
Bacterial infection (90%)
The disease is related to infection, and Staphylococcus aureus can be cultured from infected skin pustules, and some people think that it is allergic to Staphylococcus aureus. Most patients have a history of seborrhea or long-term seborrheic dermatitis.
Prevention
Alopecia folliculitis prevention
1. In the units prone to pyoderma (such as some factories, agricultural machinery stations, primary schools, etc.), extensive publicity and education on the prevention and treatment of suppurative skin diseases, regular preventive inspections, as far as possible to eliminate all factors.
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.
4. Clothes, towels, basins, etc. are prohibited from public use to prevent contact with infection. The patient should be properly isolated. The dressings and contact materials used by the patient should be strictly disinfected or burned. During the illness, it is forbidden to use the liquid to clean the skin lesions. Wash the affected area with tap water to prevent extension.
5. When you are sick, you should ban alcohol or spicy food, and eat less food.
Complication
Alopecia folliculitis complications Complications, impetigo
Because the disease is often associated with infection of skin hair follicles, skin integrity is often destroyed, so skin bacterial infections or fungal infections can be induced by scratching, usually secondary to low constitution, or long-term use of immunosuppressants and nails. Patients with fungal infections, 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, which should be brought to the attention of clinicians.
Symptom
Alopecia folliculitis symptoms common symptoms alopecia pruritus papules pustules
Initially a follicular papule, followed by papular pustules, the center has hair through, the surrounding skin has an inflammatory reaction, leaving scars and scarring alopecia, the hair follicles near the scar are gradually damaged, resulting in continuous skin lesions Surrounded by expansion, consciously itching or no feeling, the course of the disease is slow, can be extended for several years, mainly scalp, can also occur in the beard, mane and pubic area.
Examine
Examination of alopecia folliculitis
Routine examination: follicular papules, papular pustules, inflammatory reactions around the skin, consciously itching or no feeling, mainly scalp, can also occur in the beard, mane and pubic area.
Other auxiliary examinations: secondary atrophy of histopathological epidermis, dermal collagen tissue hyperplasia, elastic fiber rupture, reduction; hair follicles, sebaceous glands atrophy, partial destruction. The blood vessels around the hair follicle have inflammatory cell infiltration mainly composed of neutrophils.
Diagnosis
Diagnosis and diagnosis of alopecia folliculitis
According to the clinical, the initial hair follicle papules, followed by papular pustules, the center has hair through, the surrounding skin has an inflammatory reaction, leaving scars and scarring alopecia, the hair follicles near the scar are gradually damaged, resulting in The skin lesions continue to expand to the periphery, the pathological epidermis secondary atrophy, the dermal collagen tissue proliferate, the elastic fiber breaks and decreases; the hair follicle, sebaceous gland atrophy, partial destruction, can be diagnosed.
It needs to be identified with Astragalus, S. lupus, and mucinous alopecia.
