pathological classification

Last reviewed 01/2018

  • junctional - the naevus remain in contact with the overlying epidermis. They are usually flat, may be hairy, and often present at or before puberty.

  • compound - there are additional cells in the underlying dermis. They are usually slightly raised and moderately pigmented. Often, they develop in early adulthood.

  • intradermal - the naevus is entirely within the dermis. They are relatively pale because of masking from overlying epidermis which is normal. They may be elevated.

Progression is usually from junctional to intradermal. In time, the naevus cells mature to resemble neural tissue.