Plexiform Schwannoma, also known as plexiform neurilemmoma, is related to schwannomatosis, vestibular and neurofibroma. An important gene associated with Plexiform Schwannoma is SMARCB1 (SWI/SNF Related, Matrix Associated, Actin Dependent Regulator Of Chromatin, Subfamily B, Member 1), and among its related pathways/superpathways is Melanocyte Development and Pigmentation. Affiliated tissues include tongue and small intestine, and related phenotypes are Increased proliferation and growth/size/body region