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  4. the etiology of familial progressive pigmentation, and what are the reasons for familial progressive pigmentation

the etiology of familial progressive pigmentation, and what are the reasons for familial progressive pigmentation

the etiology of familial progressive pigmentation, and what are the reasons for familial progressive pigmentation

Etiology of familial progressive pigmentation

First, the cause of the disease

The etiology of this disease is not clear, and it is considered that this disease is related to autosomal dominant inheritance. Some scholars believe that it is related to the use of certain drugs and foods during pregnancy.

Second, the pathogenesis

The pathogenesis is not yet exact, the disease is usually progressive development, pigment gradually deepened, the number also gradually increased, the area expanded, brown or dark brown pigment spots, with island-like normal skin between them. Invading the whole body skin including palmoplantar, oral cavity, vulvar mucosa and conjunctiva can be involved.

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