Whitening of eyebrows

Introduction Generally, whitening of the eyebrows is a precursor to vitiligo. Vitiligo is a common and frequent pigmented skin disease. The disease is characterized by local or generalized pigmentation to form leukoplakia. It is an acquired localized or generalized skin pigmentation disorder. It is a common skin disease affecting beauty, easy to diagnose and difficult to treat.

Cause

[cause]

1. Genetic abnormality: Vitiligo is an autosomal dominant genetic disease. 30% of patients in foreign countries have a family history, and both of them have a single incidence. Domestic positive family history is 3% to 12% lower than abroad.

2. Autoimmune diseases: Patients and their family members have a high rate of combined autoimmune diseases, such as thyroiditis, hyperthyroidism or hypothyroidism, diabetes, chronic adrenal insufficiency, rheumatoid arthritis, malignant melanoma. A variety of autoantibodies can be detected in the serum of patients with vitiligo.

3. Mental and neurochemical neurotransmitter abnormalities: About 2/3 of the patients have mental trauma, excessive tension, depression or depression during the onset of the onset or skin lesions. 4. Melanocyte self-destruction: Partial or complete loss of function of melanocytes in vitiligo epidermis.

5. Trace element deficiency: The decrease of copper content in the body is related to the pathogenesis of vitiligo.

6. Other factors: trauma, hyperthyroidism, diabetes, etc. may be associated with vitiligo.

an examination

Related inspection

Detection of trace elements in human body by hair minerals

1. Detection of electrolytes and trace elements.

2. Urine routine.

3. Thyroid function test.

4. Metabolite detection: (concurrent disease) patients with hyperthyroidism or hypothyroidism, diabetes, delayed skin porphyria, chronic adrenal insufficiency, chronic active hepatitis, herpes zoster, pernicious anemia, syncope, chronic Persistent erythema, alopecia areata or alopecia areata, drug eruption, atopic dermatitis, psoriasis, parapsoriasis, scleroderma, malignant tumor, bronchial asthma, rheumatoid arthritis, acromegaly, sclerosing atrophy Moss and other diseases.

Differential diagnosis

Differential diagnosis of whitening of eyebrows:

1. Forehead leukoplakia: The typical feature of plaque albinism is frontal leukoplakia, 80% to 90% may be associated with forehead white hair, triangular or rhomboid, symmetrical, located in the center of the forehead or slightly to one side, down Extend to the base of the nose.

2, white pityriasis: white pityriasis (pityriasisalba), also known as pityriasissimplex (pityriasissimplex), is more common in children's face superficial dry scaly decolorizing plaque, mild inflammation. White pityriasis is a fairly common phenomenon in preschool and adolescence, especially for children who are dry or darker. Basically, white pityriasis is a mild dermatitis and is a constitutional eczema skin. The incidence of inflammation in patients with clinical allergies is higher, but it is not limited to allergic constitutions. As for the cause, it is generally speculated that it may be related to external factors such as dry skin and sun exposure. The most common age is school age. During the period from the age of three to adolescence, the ratio of men to women was comparable.

3. Albinism: Albinism is a common disease caused by melanin deficiency in the skin and its accessory organs. It is caused by congenital deficiency of tyrosinase or tyrosinase dysfunction and disorder of melanin synthesis. Hereditary leukoplakia. This type of patient usually lacks melanin in the skin, hair and eyes of the whole body, so it appears as a pigment in the retina of the eye. The iris and pupil are pale pink, afraid of light, and always squinting when looking at things. Skin, eyebrows, hair, and other body hairs are yellowish in white or white. People refer to this type of patient as "the sheep white head." Albinism is a family hereditary disease that is autosomal recessive and often occurs in close relatives.

[What checks should be done for vitiligo patients?]

1. Detection of electrolytes and trace elements.

2. Urine routine.

3. Thyroid function test.

4. Metabolite detection. (concurrent disease) patients with hyperthyroidism or hypothyroidism, diabetes, delayed skin porphyria, chronic adrenal insufficiency, chronic active hepatitis, herpes zoster, pernicious anemia, syncope, chronic persistent erythema, alopecia Or alopecia areata, drug eruption, atopic dermatitis, psoriasis, parapsoriasis, scleroderma, malignant tumor, bronchial asthma, rheumatoid arthritis, acromegaly, sclerosing atrophic moss and other diseases.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.