Abstract
Objective To analyze the clinical characteristics of the rare micro-lower cranial nerve sheath tumor,and investigate the clinical symptoms,early treatment options,as well as surgical elements/effectiveness.Methods Seven missed diagnoses of micro-lower cranial nerve sheath tumor admitted to our department from October 1999 to August 2009 were analyzed retrospectively.Diagnosis,clinical characteristics,early treatment options,surgical elements and effectiveness were summarized and analyzed in combined with literature review.Results In this group of patients,there were 5 glossopharyngeal nerve sheath tumors,1 vagus nerve sheath tumor and 1 hypoglossal nerve sheath tumor.Total resections were achieved in all of the patients.Postoperative complications included 1 case of transient mild paralysis,2 cases of hoarseness and 1 case of dysphagia.Conclusions For patient with lower cranial nerve symptoms,nerve sheath tumors should be taken into consideration.Early diagnosis and effective surgery will contribute to patient's treatment and rehabilitation. Key words: Micro; Lower cranial nerve; Sheath tumor
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