Spitz nevus, or Spitz nevi, is a rare, noncancerous skin growth that typically impacts people under 35 years old. It often presents as rapidly growing moles and is common on the head, face, and legs.

The first description of a particular melanocytic nevus found in relatives from six cases of melanoma was made in 1978. [1] Although initially coined B-K moles, these moles soon acquired the name ...