Evans MJ, Sanders DS, Grant JH, Blessing K . Expression of Melan-A in Spitz, pigmented spindle cell nevi, and congenital nevi: comparative immunohistochemical study. Pediatr Dev Pathol 2000; 3: 36 ...

They have lentiginous cells which are round or ova, or spindle-shaped. They express the S-100 protein, as well as one or more melanoma-associated antigens such as HMB-45 or NKI/C3. Dermal Nevi ...

Pigmented nevi (moles) are growths on the skin that usually are flesh-colored, ... Moles occur when cells in the skin grow in a cluster instead of being spread throughout the skin.

A congenital nevus is a mole that you’re born with. These moles can be large or small, have hair growing out of them, or change over time. Congenital nevus (or nevi) is the medical term for a ...

According to the Ocular Melanoma Foundation, roughly 1 in 10 people have this condition, which is basically an accumulation of pigmented cells. While choroidal nevi are generally noncancerous ...