Cellular Schwannoma, also known as cellular neurinoma, is related to malignant peripheral nerve sheath tumor and neurofibromatosis. An important gene associated with Cellular Schwannoma is SMARCB1 (SWI/SNF Related, Matrix Associated, Actin Dependent Regulator Of Chromatin, Subfamily B, Member 1). Affiliated tissues include trigeminal ganglion and adrenal gland, and related phenotypes are Increased proliferation and neoplasm