Schwannoma in the floor of the mouth: A case report and clinicopathological studies of 10 cases in the oral region

Schwannoma is a benign tumor derived from the Schwann cells of the nerve sheath. This tumor rarely occurs in the oral region. The tongue has been reported the most common oral site; occurrence in the floor of the mouth is rare. In this report, an 18-year-old female patient with schwannoma in the right floor of the mouth is described. We also analyzed 9 additional cases of schwannoma, all of them involving the oral region, and the literature is reviewed regarding clinicopathological features.