Vulvar pigment nevus
Vulvar pigment nevus is divided into black mole and blue mole. Pigmented nevus also has light brown, dark brown to black, 1mm ~ 2cm in diameter. Some are in the skin, some are raised on the skin, and some are papillary or wart-like protruding from the skin, which may have hair or no hair. The importance of vulvar melanoma is that it has the potential to develop into malignant melanoma, with a higher mortality rate. 40% of malignant melanoma originates from melanoma. Blue moles mostly occur on the face and forearm. They are most common on the back of the hand, and the outer cathode is rare.
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