The terms which includes dermatomes, Blaschko lines, Voight, Langer demercation lines are used while being described the localizations of several acquired and congenital diseases, drug eruptions in dermatology. But Blaschko lines may confuse with other patterns such as dermatomes and Langer's lines. In this report, we review the knowledges of references and literature and we studied to determine the formation of Blaschko lines and associated with skin diseases
