Hypoglossal Nerve Disease, also known as disorders of the twelfth cranial nerve, is related to epithelioid neurofibroma and small intestine leiomyoma. An important gene associated with Hypoglossal Nerve Disease is NF2 (NF2, Moesin-Ezrin-Radixin Like (MERLIN) Tumor Suppressor). Affiliated tissues include hypoglossal nerve, and related phenotypes are Increased cell migration and Increased proliferation