| In other types, such as the blue nevus, proliferative tissue is buried deep within the dermis, the lower layer of the skin. |
| Treatment required removing the nevus and resurfacing the child's body with skin grafts. |
| Sebaceous nevus is a congenital lesion made up of excessive sebaceous glands and malformed hair follicles. |
| One of the most important warning signs for melanoma is rapid change in a nevus or the appearance of a new black lesion. |
| This is useful for recognizing important details like a change in the shape of a nevus. |
| However, the pathology of Spitz nevus is misleading, consisting of spindle and epithelioid nevus cells, some of which may be atypical. |
