blackhead acne mole
Introduction
Introduction to blackhead acne Blackhead acne is also known as follicular keratosis. This disease is rare. According to statistics, there is no difference in gender between the onset of the disease. Blackhead acne-like papules often appear at birth or shortly after birth, and are composed of enlarged follicular pores filled with pigmentary keratin plugs. There is a black, hard and large horn in the center of the pimples. After the stripping, there is a crater-like depression. There are also cases of childhood illness. No family morbidity has been observed. The damage usually consists of 20 to 50 blackheads and acne clusters integrated into plaques or arranged in a line or band shape, which can occur in any part, and occurs in the face, neck and trunk. Often unilateral distribution, even or bilateral or scattered, skin lesions about 2cm in diameter, large even covered half of the trunk. There is an increasing trend of rash when children grow up. The patient is generally in good condition and sometimes mildly itchy. This disease can occur secondary infection, leaving atrophic scar after suppuration. People with complicated bone, central nervous system, eye and other skin abnormalities have been reported. basic knowledge The proportion of illness: the incidence rate of puberty is about 30% Susceptible people: no special people Mode of infection: non-infectious Complications: malignant atrophic papulosis keloid
Cause
Blackhead acne
Cause:
No family morbidity has been observed. May be a congenital factor.
Pathophysiology:
The epidermal tissue of the skin lesions is hyperkeratotic, and the epidermis is inwardly depressed to form a leak. The pathological image of the tumor of the blackhead acne sputum (HE x40) is filled with horny matter.
Prevention
Blackhead acne prevention
1, avoid smoking: harmful substances in cigarettes can directly stimulate the respiratory tract, smoke will bring harm to the health of the surrounding people, so, should completely eliminate tobacco.
2, avoid cold food: cold food will stimulate the stomach, so in order to better recovery, should eat less or not.
3, avoid fried and spicy food, spicy food such as pepper, onion, raw garlic, pepper and so on.
Complication
Blackhead acne complication Complications, malignant atrophic papulosis, keloid
This disease can occur secondary infection, leaving atrophic scar after suppuration. People with complicated bone, central nervous system, eye and other skin abnormalities have been reported.
Symptom
Blackhead acne symptoms common symptoms rash papule itching
Skin lesions are often unilateral, with papules arranged in a line or band, with black horn plugs in the center, similar to acne, which can be distinguished from exogenous acne or infant acne due to persistent damage. Moreover, the epidermis is sag downwardly in the pathology, and is filled with angle plugs, so it is easy to diagnose.
Examine
Blackhead acne check
The damage usually consists of 20 to 50 blackheads and acne clusters integrated into plaques or arranged in a line or band shape, which can occur in any part, and occurs in the face, neck and trunk. Often unilateral distribution, even or bilateral or scattered, skin lesions about 2cm in diameter, large even covered half of the trunk. There is an increasing trend of rash when children grow up. The patient is generally in good condition and sometimes mildly itchy. This disease can occur secondary infection, leaving atrophic scar after suppuration. People with complicated bone, central nervous system, eye and other skin abnormalities have been reported.
Diagnosis
Diagnosis and identification of blackhead acne
1. It usually occurs at birth or shortly after birth.
2, can occur in any part, often one side.
3, usually 20 to 50 blackheads of acne-like papules arranged in a line or band shape, the center of the papules has black, hard and large angle bolts, leaving a crater-like depression after peeling.
4. There is an increasing trend of rash when children grow up. Usually no symptoms. Occasionally, secondary infection can occur, and purulent leaves scars.
5. Histopathology Each blackhead acne consists of a wide and deep epidermal depression. The center of the depression is full of horny, and one or several hair shafts are found on the bottom.
