The difference between skin cancer and moles

Moles are also called pigmented nevi. Everyone has different numbers of pigmented nevi on their skin. Generally, as long as there are not too many pigmented nevi, they will not have a big impact on a person's appearance. Skin cancer may develop from pigmented nevi. Many people don't know the difference between skin cancer and pigmented nevi. So what is the difference between skin cancer and nevi?

Pigmented nevus is a benign skin lesion that occurs in many people, and is generally not a cause for concern. There are three types of pigmented nevus, including junctional nevus, mixed hemorrhoids, and intradermal nevus. Some pigmented nevus protrude from the surface of the skin, while others do not. Some people are born with large areas of pigmented nevus, and this type of skin lesion requires more attention, as it may become cancerous over time.
So what is skin cancer? It is a typical malignant tumor of the skin. The early clinical symptoms of skin cancer are similar to those of psoriasis or eczema, and are often misdiagnosed. Skin cancer is easily distinguished from pigmented nevi in ​​appearance.
1. Nature: Skin cancer is a malignant tumor, while moles are benign lesions. Some moles can develop into skin cancer, which is more common in white people.
2. Appearance: In the early stage of skin cancer, erythema-shaped skin lesions are often seen, with desquamation. However, pigmented nevi are mostly small round black spots without ulceration.
3. Skin cancer is acquired, while nevi can be either congenital or acquired.
4. The prognosis of skin cancer is relatively poor, while pigmented nevi generally do not require special treatment.