intradermal nevus - Health Topics
An intradermal nevus is another name for a classic mole or birthmark. It typically appears as an elevated, dome-shaped bump on the surface of the skin. Intradermal nevi are flesh-colored or light brown dome-shaped lesions.
Understanding the Context
Another name for these moles is “dermal nevi.” The melanocytes that make up an intradermal nevus are located in the dermis (below the dermo-epidermal junction). An intradermal nevus is a classic type of mole or birthmark, with the same degree of pigmentation as the surrounding skin. It appears as an elevated, dome-shaped bump on the surface of the skin. Intradermal means that the nevi cells are localized in the dermis (below the most external layer of skin).
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Key Insights
Key Takeaways An intradermal nevus is a mature, benign mole where melanocytes have migrated deep into the dermis, giving it a soft, dome-shaped, flesh-colored or light brown appearance. Intradermal nevi are among the most common skin growths in adults and carry very low malignant potential compared to other types of moles. Intradermal Nevus: When a Raised Mole Is Harmless and When to Monitor An intradermal nevus is characterized by melanocytes—the pigment-producing cells—located exclusively within the dermis, the layer beneath the epidermis. These cells have fully migrated away from the junction between the two layers. This nevus represents the final, mature stage in a mole’s lifecycle.
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An intradermal nevus is a common, non-cancerous type of mole that originates in the skin. It forms from a proliferation of melanocytes, the cells responsible for producing pigment, which cluster deep within the dermis, the second layer of the skin. Intradermal nevus (abbreviated IDN), also intradermal melanocytic nevus, is a common benign melanocytic lesion. The intradermal nevus is in the large group common nevus.