Tongue base schwannoma: report, review, and unique surgical approach.
American Journal of Otolaryngology(2008)
摘要
Base of tongue schwannomas are exceedingly rare and therefore often are not immediately included in the differential diagnosis and treatment of oropharyngeal tumors. After a thorough review of the English literature, we found only 6 previously reported cases of tongue base schwannomas. We are contributing a report of a 37-year-old woman with progressive dysphagia, dysarthria, and large tongue base schwannoma. Diagnosis was confirmed by imaging studies and biopsy followed by surgical excision designed to preserve nerve function. A number of surgical approaches have been described for tongue base schwannomas. Each has its own degree of postoperative morbidity. The use of a unilateral transcervical incision with blunt dissection was simple and quickly accomplished with protection of nearby nerves. Histologic identification of Antoni A and B areas along with strong and diffuse staining with S-100 stain pathologically completed the diagnosis of schwannoma.
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