Category: N

A congenital pigment spot varying in color from light yellow to black. Intradermal or nevocytic nevi are benign. Other types of nevi may become malignant. The common dark-colored mark or mole often observed on the skin.  

A common mole. Moles may appear at any age. They are classified according to their stage of growth and whether or not they are still growing.  

A tumor composed of fatty connective tissue. It is probably a degenerated nevus containing numerous blood vessels.  

A large reddish-purple discoloration of the face or neck, usually not elevated above the skin. It is considered a serious deformity due to its large size and color. In children, these have been treated with the flashlamp-pulsed tunable dye laser. A skin growth made up of blood vessels that is present from birth and often…

A horny nevus that contains a hard plug of keratin. It is caused by failure of the pilosebaceous follicles to develop normally.  

Acquired or congenital dilatation of the capillaries, marked by red lines radiating from a central red dot.  

The phenomenon in which neutrophils are repelled by or attracted to a substance.  

In neutropenic patients, especially those who have been treated with chemotherapy or bone marrow transplantation, the return of neutrophil counts to higher than 500 cells/mm3.  

Staining readily with neutral dyes.  

Increase in the number of neutrophils in the blood (e.g., as a result of inflammation, infection, corticosteroid drugs, or malignancies). An unusually high number of neutrophil cells in the bloodstream.