miliary papules
Introduction
Introduction Miliary papules can be caused by a variety of causes and are a concomitant symptom of many diseases. It is called white acne or millet rash white moss. A benign mass or a retention cyst that originates in the epidermis of the epidermis or appendage. Can occur at any age, gender, and also in newborns. Mildew rashes caused by trauma often occur after bruising, scratching, or facial inflammatory rash. Common in skin lesions of porphyria or bullous epidermolysis, it can also occur after blisters of blisters, and some patients have genetic factors. Acne is a skin disease that occurs when oily, dead epidermal cells block your pores. Some people call it blackheads, miliary rashes, or pimples. Facial miliary lupus, a round, unbroken pimples scattered around the face, with atrophic scars remaining.
Cause
Cause
In the past, facial miliary lupus was considered to be a type of skin tuberculosis disseminated by blood. It is a variant of lupus vulgaris or tuberculosis. Although histological changes are typical of tuberculosis, patients are generally healthy and most patients often Without other tuberculosis, tuberculosis can not be found in the lesions. Tuberculin test is often negative, and anti-tuberculosis treatment is mostly ineffective. Therefore, this disease is not related to tuberculosis. In recent years, some people think that this disease is a papule-like rosacea. A special type, some scholars found that patients with this disease have abnormal cellular immunity. When the skin is very oily and dead epidermal cells block the pores of the skin, acne will appear. If the bacteria enter the pores, the result will be swollen, reddened and pused.
Examine
an examination
Related inspection
Blood test bacteria for carbohydrate metabolism test skin test
The damage of the millet rash is milky white or yellow, and the solid papules from the needle to the rice grain are round and topped with a very thin epidermis. Secondary damage is mostly distributed around the original lesions, which can last for several years, naturally shedding, and no scar formation. Individual lesions may have calcium deposits that are as hard as cartilage and dark yellow when damage is increased. More common in the face, especially the eyelids, cheeks and forehead. Adults can also occur in the genitals, and infants are usually limited to the eyelids and ankles. Symptoms of acne include miliary rash, blackheads and pimples. These may appear on the face, neck, shoulders, back or chest. The papules are large and deep and are called pustule lesions. If they are infected, it will cause pain. They also leave scars on the skin.
Diagnosis
Differential diagnosis
Rosacea: In addition to red papules on the face, telangiectasia erythema on the tip of the nose and cheeks. The hair follicles are often enlarged. Late nasal discharge, often accompanied by seborrhea. Acne vulgaris: a variety of skin lesions, in addition to facial pustules, nodules and cysts, often have blackheads. Facial sebum secretion is strong. Papular necrotic tuberculosis: In addition to the face, skin lesions also occur in the limbs and trunk, which is a symmetric necrotic papule. Sebaceous adenoma: scattered yellow telangiectasia papules or nodules in the central part of the face with no symptoms, often accompanied by mental retardation and epilepsy.
