An interesting finding in melanocytic nevus that may alarm a pathologist and prompt a thorough search for other features of melanoma Herniation of a nevus nest into the lumen of Moles (melanocytic naevi, pigmented nevi) An acral nevus is a benign melanocytic lesion found on the palms and soles. Dermoscopically, it most commonly shows the parallel furrow pattern, where pigmentation follows the furrows of the skin markings. The proPO system: pros and cons for its role in invertebrate immunity: Trends in Immunology Melanotic neuroectodermal tumor of infancy Wikipedia