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  4. what are the causes of tar melanosis and what are the causes of tar melanosis

what are the causes of tar melanosis and what are the causes of tar melanosis

what are the causes of tar melanosis and what are the causes of tar melanosis

The main cause of tar melanosis is local skin inflammation and pigmentation caused by long-term exposure to tar and its derivatives

First, the cause of the disease

1. Workers exposed to coal tar, petroleum and their processed products, and women using crude cosmetics containing such chemicals are susceptible. It can be aggravated under the action of sunlight.

2. Middle-aged female patients may be related to neuroendocrine dysfunction.

Second, the pathogenesis

Anthracene, phenanthrene and naphthalene have significant photosensitive effect, which is often manifested as photosensitive contact dermatitis.

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