Schwannoma is one of the benign nerve sheath tumor which may arise from any myelinated nerve. It is a truely encapsulated neoplasm of the human body and always solitary. It occurs only 1 -2% intraorally inwhich tongue is being the most common site. This article reports a case of schwannoma on the right lateral aspect of the tongue in a 27 year old female patient and its diagnosis and management. I. Intoduction:Schwannoma (Neurilemmoma) is a benign tumor of nerve sheath origin. These tumors can arise from any nerve covered with a Schwann cell sheath, which include the cranial nerves(except for the optic and olfactory), the spinal nerves and the autonomic nervous system. The tumor cells always stay on the outside of the nerve, but the tumor itself may either push the nerve aside or up against a bony structure, thereby causing damage to the affected nerve. Head and Neck schwannomas represents approximately 25 -45%, but only 1% have an intraoral origin. Intraoral schwannoma commonly occur in the tongue followed by the palate, floor of the mouth, buccal mucosa and mandible.11 Schwannoma of tongue the typically occurs in the 3 rd decade of life with no sex predilection. II. Case ReportA 27 year old female patient visited the Dental department with the chief complaint of growth in the right side of the tongue for the past 6 months. The growth was progressive in nature and painless. There was no history of trauma or local infection. On intraoral examination 2×2 cm growth was seen on the right lateral border of the tongue. On palpation, the growth was firm, non tender, smooth, and found to be covered with normal lingual mucosa. Tongue movements were normal. There was no cervical lymphadenopathy. Routine blood investigation was performed. All parameters were within normal limits.Management: Under aseptic conditions, the growth was removed by complete excision under Local anesthesia and the specimen was sent for histopathological examination. The postoperative course was uneventful. The movement of the tongue was normal. Histopathological Examination:Histopathological report revealed a well encapsulated predominantly spindle cell having dimorphic pattern of Antoni A and Antoni B type cells suggestive of Schwannoma. Areas of palisading arrangement of nuclei suggestive of verocay bodies was also noted.
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