Schwannomatosis 1, also known as schwannomatosis-1, susceptibility to, is related to schwannomatosis and neurofibromatosis. An important gene associated with Schwannomatosis 1 is SMARCB1 (SWI/SNF Related, Matrix Associated, Actin Dependent Regulator Of Chromatin, Subfamily B, Member 1). The drugs Erenumab and Siltuximab have been mentioned in the context of this disorder. Affiliated tissues include brain and peripheral nerve, and related phenotypes are Decreased viability and Increased proliferation