الفهرس | Only 14 pages are availabe for public view |
Abstract Background: becker,s nevus (BN) can repesent a distressing consmetic handicap and a challenging issue regarding treatment. its etiopathogenesis is unknown. BN is considerd an organoid hamartoma of ecto-mesodermal tissues, appearing sporadically by cutaneous mosaicism, however, autosomal dominant inheritance with incomplete penetrance has been decumented |