Early symptoms of acne

　　Blackheads composed of sebaceous keratinized and parakeratotic cells are crowded in the enlarged hair follicles, and there are inflammatory changes around the hair follicles. In suppurative lesions, there are abscesses in the affected tissue, and there are many lymphocytes and multinucleated leukocytes around them, which can sometimes be found. Grape cocci. If the damage has been prolonged, plasma cells, foreign body giant cells and proliferating fibroblasts may also be seen. In larger lesions, the sebaceous glands are partially or completely destroyed, sometimes forming large cysts.

　　【clinical Performance】

　　Skin lesions mainly occur on the face, but can also occur on the upper chest, back and shoulders. Occasionally, they can also occur on other parts of the body, such as the periorbital area. skin Never tiring. At the beginning, patients almost all have blackheads and oily sebaceous overflow, and often have papules, nodules, pustules, abscesses, sinus tracts or scars. The various types of damage vary in size and depth, and one or two types of damage often dominate. The course of the disease is long and there are often no conscious symptoms. If the inflammation is obvious, it can cause pain and tenderness, and the symptoms may be mild or severe. After puberty, most patients can recover naturally or have symptoms relieved. Clinically, skin lesions can be divided into the following types according to their main manifestations:

　　1. Point-like Acne

　　Blackheads are the main damage of acne. They are cheese-like semi-solids plugged into the sebaceous gland openings of hair follicles. The outer ends of the exposed hair follicle openings turn black. If pressed, blackheads and yellowish-white translucent fat plugs can be discharged from the body.

　　2. Papular acne

　　The skin lesions are mainly inflammatory papules, hard papules the size of millet to pea, and are light red to deep red. There may be a blackhead in the center of the papule or a sebum plug that has not turned black at the top.

　　3. Pustular acne

　　The main manifestations are abscesses, which are the size of grains to mung beans. They are follicular pustules and pustules formed on the top of papules. After rupture, the pus becomes more viscous and a shallow scar is left after healing.