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Milium= الدخنيةSaturday, 16 October 2010 06:05 - Last Updated Thursday, 11 November 2010 09:38

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Milium= الدخنيةSaturday, 16 October 2010 06:05 - Last Updated Thursday, 11 November 2010 09:38

Milium Milia are minute epidermoid cysts, lined with epidermis and filled with keratin. Epidemiology. Milia are common congenital and acquired lesions in both infants and adults. Men and womenare affected equally. ETIOLOGY AND PATHOGENESIS Milia are thought to result from pilosebaceous or eccrine sweat duct plugging. These superficiallesions can be primary or secondary, with the latter resulting from injury to the skin. Secondarylesions are common in sub-epidermal blistering diseases such as epidermolysis bullosa andporphyria cutanea tarda, burns, after dermabrasion or ablative laser resurfacing, or inconjunction with topical therapy such as glucocorticoid therapy or 5-fluorouracil treatment. CLINICAL FEATURES Milia are 1- to 2-mm, white, domed papules commonly located on the cheeks and eyelids ofadults . In infants, milia are common on the face and the mucosa. Epstein's pearls are milia onthe palate. Eruptive milia have been reported, though this is a rare occurrence. Milia en plaqueis a plaque-type, inflammatory variant of milia that is commonly located on the ear. Acquiredmilia can be located anywhere the predisposing trauma or other factors have occurred. PATHOLOGY The pathology of a milium is similar to that of an epidermoid cyst, but the small size andoccasional connection to eccrine ducts or vellus hair follicles distinguish these two entities.Bacteria are not usually seen in milia. TREATMENT Congenital milia tend to spontaneously resolve. Acquired milia can resolve spontaneously aswell, but can also be removed by disrupting the overlying epidermis with light electrodesiccationor an 11-blade and expressing the keratin contents.

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