...Interlesional corticosteroid injection ...»
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«...During childhood, the sebaceous glands are small and virtually nonfunctioning. These glands are under endocrine control, especially by the androgens. During puberty, androgens stimulate the sebaceous glands, causing them to enlarge and secrete natural oil called sebum, which rises to the top of the hair follicle and flows out onto the skin surface. In adolescents who develop acne, androgenic stimulation produces a heightened response in the sebaceous glands so that acne occurs when accumulated sebum plugs the pilosebaceuos ducts. This accumulated material forms comedones....»
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