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Schwannoma is usually a solitary slow growing and encapsulated soft tissue or intrabony lesion. This tumor is often associated with the nerve sheath. Only a few ancient schwannomas have been reported in different parts of head and neck and in the gingiva, this tumor is very rare. In this report, a 14-year-old male patient with an ancient schwannoma of gingiva discussed. he was referred to oral medicine department of Mashhad dental school with Chief complaint of an asymptomatic enlargement of gingiva and histopathologic examination recommended. Based on clinical, histologic and immunohistochemical findings, the diagnosis of ancient schwannoma was made Ancient schwannoma is very rare in gingiva but the dentist must note the clinical presentation of periodontitis and any gingival enlargement should not be considered periodontitis. The purpose of this study is report of a rare case of ancient schwannoma in gingiva and a review of ancient schwannomas in literature.
