● genitalia leukoplakia
Middle-aged or more occurred in women before and after menopause, lesions involving more than labia minora, the medial half of the labia minora, the clitoris, the clitoris foreskin and the perineum, but does not occur in the vaginal wall, vagina and anus vestibular around. When the first onset feel genital itching, redness and local surface occasionally with a small amount of litter, color gradually turns white, but do not shrink significantly, the skin lesions were advanced white beads, a parchment-like surface, and some shrinking size labia minora I narrowed the vagina, resulting in sexual intercourse difficult. The disease occurred mostly bilateral symmetry.
● hardening of lichen planus (hard wilt)
The incidence of any age can be also found in young girls. The disease occurs in the perineum, anal and vaginal vestibule area around, it is sometimes white district appearance was "8" - shaped or sand leakage, the expansion of the surface capillaries and often occur sporadically in purpura. For lesions at the beginning of desalination pink, the color gradually turns white after, accompanied by itching, skin surface after disease progression shrinking, thinning, weight labia minora are part of bilateral adhesion so that the vaginal mouth become narrow, and some have even urination and sexual intercourse difficult. The disease can also occur in other parts of the body, such as the neck, trunk and forearm and other places.
● chronic dermatitis
In the event of chronic dermatitis often before the first acute inflammatory process, are outside the perineum itching, pain and redness, and then to chronic and acute inflammation process may not, unwittingly occurred. The disease was particularly prevalent in, older women, lesions involving more than labia minora, the medial half of the labia minora, the clitoris and clitoral prepuce. Color not diminish serious, surface skin gray or yellow white, epidermal thickening, atrophy is not serious, bilateral symmetry in more. Without treatment, the skin will gradually hypertrophy, rough, there was a lack of lichen planus-like change.
● Neurodermatitis
The disease except perineum, neck, limbs and other places may occur, the same lesions. Perineum to occur outside the scope of their lesions up to the lateral labia minora, Lin Fu and around the anus, patients often feel pubic hair also itch. Sustained gray lesions, epidermal hyperplasia hypertrophy, there was a lack of lichen planus-like change, itching serious, and sometimes we can see the surface with a small litter. More asymmetry in bilateral.
● lichen planus
Lesions by white or light pink papules fusion from the flat, except perineum, the other parts of the body can also occur. Perineum occurred outside those involving more than labia minora, the clitoris and vagina foreskin vestibular area, often asymmetrical bilateral occurred to white areas is not structured shape, sometimes not very clear border.
● vitiligo
Can occur in any physical location, only occurred in the perineum are easily confused with the genitalia leukoplakia, lesions color white, the border is not structured, and sometimes scattered and beyond, in the event beyond the limits of the vulva, bilateral asymmetric occurred, epidermal thickening or not shrinking , organizational flexibility normal, the surrounding area turns white skin pigment slightly deep, white skin above for the growth of pubic hair white. Vitiligo usually no symptoms, while a secondary infection if pruritus, color from white into pink, seen under the microscope after the biopsy, with the exception of the basal layer pigment all disappeared, normal skin and other parts of the same, not by the abnormal see.
● Diabetes genital inflammation
Diabetes genital lesions covering inflammation of the vulva and anus, all around, the texture was pink, sometimes covering the surface with a small white rennet substances, such as rennet-like material used angle plate gently刮下after smear, plus 1 drop 10 % potassium hydroxide, can often see under wire and mold spores. Advanced lesions partial change and chronic dermatitis same.
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